Write a simple calculator program. Your program should accept as input an expression in the form of: 3 * 2 Use an if / elif ladder style structure to determine what operation needs to be performed on the two numbers. Your program should handle the arithmetic functions Add, Subtract, Multiply, and Divide (Depending on the operator entered). Input: For this assignment you are going to want to take in a string that has the expression separated by a space. Once you have stored the string you will need to split it. This means to get each individual part of the expression. Python has a split function that is part of the string. It will return a list of the pieces that were split. I realize we haven't discussed lists yet so I will give you some code. Suppose you have the expression: str

Answers

Answer 1

Answer: Provided in the explanation section

Explanation:

provided below is the program to carry out this task, i hope it provides clarity.

#include <iostream>

using namespace std;

int main() {

  int n1, n2;

  char ch;

  cout << "Enter an expression" << endl;

  cin >> n1 >> ch >> n2;

  switch(ch) {

      case '+':

          cout << "The sum is " << n1+n2 << endl;

          break;

      case '-':

          cout << "The difference is " << n1-n2 << endl;

          break;

      case '*':

          cout << "The product is " << n1*n2 << endl;

          break;

      case '/':

          cout << "The division is " << n1/n2 << endl;

          break;

      default:

          cout << "Invalid expression" << endl;

  }

  return 0;

cheers  i hope this helped !!

}


Related Questions

For each of these conditions— deadlock, race, and starvation—give at leasttwo “real life” examples (not related to a computer system environment) ofeach of these concepts. Then give your own opinion on how each of these sixconditions can be resolved.

Answers

Answer:

Explanation:

Deadlock:

Two cars are approaching an intersection from different directions, both needing to turn left but the traffic is too heavy, and neither can proceed until the other does.

Two friends borrow each other's books and refuse to return them until the other returns their book first.

To resolve deadlock, techniques such as detecting deadlock and breaking the circular wait by releasing resources can be used. For example, in the case of the intersection, a traffic management system can detect the deadlock and break the deadlock by directing one car to move first.

Race:

Two kids are competing to finish their homework first and get a reward.

Several runners in a marathon race are competing to reach the finish line first.

To resolve race conditions, techniques such as locking mechanisms, synchronization, and mutual exclusion can be used. For example, in the case of the homework, the teacher can use a timer to ensure that both kids finish their homework at the same time.

Starvation:

A busy restaurant has a limited number of tables, and some customers may have to wait for a long time to get a table.

In a large company, some employees may never get a promotion or a pay raise despite their hard work and dedication.

To resolve starvation, techniques such as fair scheduling, prioritization, and resource allocation can be used. For example, in the case of the restaurant, a reservation system can be implemented to ensure that customers are served in an orderly and timely manner.

In general, resolving these conditions requires careful planning, design, and implementation of systems and processes to ensure fairness, efficiency, and effectiveness. It is important to identify and address these conditions early on to avoid negative impacts on productivity, customer satisfaction, and organizational success.

Consider the following relation with functional dependencies as shown below.R{sno,sname,age,cno,cname,group}
R(A,B,C,D,E,F)
A-B,C
C-F
D-E
which normal form is the relation R is in?

Answers

Answer:

First Normal Form

Explanation:

The correct answer is - First Normal Form

Reason -

Given that,

A-B,C

C-F

D-E

Here the key is AD

The two partial Functional dependencies are -

A-B,C  

D-E

So,

They are not in Second Normal Form, but they are in First Normal Form.

2. Write the output of:
a) CLS
A= 10
B = 20
C = 30
S=A+B+C
Av=S/3
Print "sum is:",s
Print "Average is:", Av
End​

Answers

sum is 60 (add a b and c together)
average is 20 (divide 60 by 3)

In a business environment, who is responsible for testing a website? the webmaster the website supervisor the customers who visit the site the search engine director

Answers

The correct answer is =
( the webmaster ) ✅✅

Trust me because, the webmaster is a person responsible for maintaining one or more websites. The title may refer to web architects, web developers, site authors, website administrators, website owners, website coordinators, or website publishers.

Answer:

the webmaster

Explanation:


Using examples, evaluate the open source model of software development. In your discussion highlight some of its advantages and disadvantages. Furthermore, explain some of the alternatives that also exist.

Answers

Hope this helps! Good luck!
Using examples, evaluate the open source model of software development. In your discussion highlight

Which directory contains the initrd file? in suse linux

Answers

The directory that contains the initrd file is known as /boot directory,

What is a directory?

This refers to the file system of cataloging structure which contains references to other computer files and as well the other directories.

On most computers, these directories are known as folders, drawers or analogous to the traditional office filing cabinet.

However, on the typical computer, the directory that contains the initrd file is known as /boot directory,

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Multimedia Presentation: Mastery Test
Select the correct answer.
Helen wants to use actual voice testimonials of happy employees from her company in her presentation. What is the best way for her to use these
testimonials in the presentation?
OA. She can provide a link in her presentation where the audience can listen to the testimonials.
She can ask the employees to write down their thoughts for the presentation.
She can record the testimonials directly in her presentation.
D. She can read out the testimonials from a transcript.
B.
O C.
Reset
>
Next

Answers

The best way for Helen to use actual voice testimonials of happy employees from her company in her presentation is A) She can provide a link in her presentation where the audience can listen to the testimonials.

Using actual voice testimonials adds authenticity and credibility to Helen's presentation.

By providing a link, she allows the audience to directly hear the employees' voices and genuine expressions of satisfaction.

This approach has several advantages:

1)Audio Engagement: Listening to the testimonials in the employees' own voices creates a more engaging experience for the audience.

The tone, emotions, and enthusiasm conveyed through voice can have a powerful impact, making the testimonials more relatable and persuasive.

2)Employee Representation: By including actual voice testimonials, Helen gives her colleagues an opportunity to have their voices heard and to share their positive experiences.

This approach emphasizes the importance of employee perspectives and allows them to become active participants in the presentation.

3)Convenience and Accessibility: Providing a link allows the audience to access the testimonials at their own convenience.

They can listen to the testimonials during or after the presentation, depending on their preferences.

It also allows for easy sharing and revisiting of the testimonials.

4)Time Management: Including voice testimonials via a link enables Helen to efficiently manage the timing of her presentation.

She can allocate the appropriate time for other aspects of her talk while still giving the audience access to the full testimonials, without the need to rush or omit important information.

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Kaley took a bunch of pictures at her birthday party last week. She wants to share them with her friends. Which of the following choices is a low risk way to do so?

Answers

Share the pictures to a pen drive and send it on her friend’s

Identify two stages of processing instructions

Answers

Answer:

1. Fetch instruction from memory.

2. Decode the instruction.

Line formatting can be accomplished by using..?

Answers

i did some research, and i found quite a few different answers. one of the most popular ones was the “border method” I also got “the space bar b, insert border c, and tab stops d. i am not very familiar with this stuff but i hope this helped!

Your transactional database requirements exceed the maximum capacity of a single Azure SQL database in the General Purpose service tier.

What should you implement to resolve the capacity issue?

Select only one answer.

sharding

elastic pools

read scale-out

Answers

Where your transactional database requirements exceed the maximum capacity of a single Azure SQL database in the General Purpose service tier. You should implement sharding to resolve the capacity issue. (Option A)

What is a transactional database?

A database transaction is a unit of work conducted within a database management system against a database in a logical and dependable manner that is independent of other transactions. In general, a transaction represents any change in a database.

A database shard, also known as a shard, is a horizontal data division in a database or search engine. To distribute the load, each shard is hosted on a distinct database server instance. Some data in a database is present in all shards, whereas others appear only in one.

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Evaluate the following descriptions to determine which camera shot is being explained. The camera frames a part of the character or object so tightly that the outer portions of the subject are cut off by the frame. (1 point)
1 close up shot
2extreme close up shot
3 master shot
4point of view shot​

Answers

The camera frames a part of the character or object so tightly that the outer portions of the subject are cut off by the frame is called option 2. extreme close up shot.

What is an extreme close-up shot in film?

A close-up shot can occasionally just display the subject's eyes in an extreme close-up (ECU) shot.

The subject is tightly framed in close-up views, which fill the entire frame with a specific detail. Sometimes, as in a medium form of close-up shot, the close-up camera shot is known to be altered (MCU).

Therefore, one can say that when taking a picture of any person or an animal, a close up shot that is so extreme is one that tends to capture that special point that the photographer wants such as the face.

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TO EXIT WORD YOU CLICK WHAT

Answers

File > Close
(Or the X in the corner?)

Answer:

To exit Word, you can click on the "File" menu and then click "Exit" or "Close".

T/F,Cookies that are placed by companies other than the company whose website you are visiting are called spam cookies.

Answers

The statement "Cookies that are placed by companies other than the company whose website you are visiting are called spam cookies." is false because these are called third-party cookies.


Third-party cookies are created by domains other than the one you are visiting directly. They are often used for online advertising and tracking user behavior across multiple websites.

Spam cookies, on the other hand, do not exist. Spam is typically associated with unsolicited emails or messages, not cookies.

In computing, a cookie is a small piece of data that a website sends to a user's web browser and is stored on the user's device. Cookies are used to store information about the user's interactions with the website, such as their preferences, login status, shopping cart contents, and browsing history.


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This element is known as the path a dot makes. It can be used to create
contour drawings or to shade areas.
O Color
Contrast
Line
O Value
O None of the above

Answers

the answer is Value

i just know

Complete the following steps:
Download tech-stocks.zip Download tech-stocks.zipand extract the CSV files to your computer.
Import the data into one of the tools mentioned in the overview above.
Format the numeric values (percent, accounting, etc.) based on the type of data.
Create visualizations based on the data.
You are free to download more data if you want, the stock data is from https://finance.yahoo.com/Links to an external site. and can be downloaded from the historical data from the stock summary page.
Your 4 visualizations should follow the Gestalt Principals and best practices from the book.
You may create the visualizations off of one set of stocks, or you can use multiple stocks.

Answers

To effectively accomplish the specified measures, one ought to download the "tech - stocks . zip" file from the allocated link and unpack the CSV files onto their computer.

What is the next step?

Subsequently, they can compile the data into any outcome visual tool such as Tableau or Power BI. Afterwards, it is important to format all numeric values in accordance with the type of data being viewed; for example, percentage values must be arranged as percentage figures while accounting values should be formatted as monetary currency.

To complete this endeavor, fashion four visuals that adhere to Gestalt principles and highly suggested practices from the book either by utilizing a single set of stocks or mixing multiple stocks from the provided data.

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Juan has performed a search on his inbox and would like to ensure that the results only include those items with
attachments which command group will he use?
O Scope
O Results
O Refine
Ο Ορtions

Answers

Answer:

The Refine command group

Explanation:

I keep getting an index out of range error on this lab

I keep getting an index out of range error on this lab
I keep getting an index out of range error on this lab
I keep getting an index out of range error on this lab

Answers

The Python code for parsing food data is given. This code first reads the name of the text file from the user. Then, it opens the text file and reads each line.

How to depict the code

Python

import io

import sys

def parse_food_data(file_name):

 """Parses food data from a text file.

 Args:

   file_name: The name of the text file containing the food data.

 Returns:

   A list of dictionaries, where each dictionary contains the following information about a food item:

     * name: The name of the food item.

     * category: The category of the food item.

     * description: A description of the food item.

     * availability: Whether the food item is available.

 """

 with io.open(file_name, 'r', encoding='utf-8') as f:

   food_data = []

   for line in f:

     data = line.strip().split('\t')

     food_data.append({

       'name': data[0],

       'category': data[1],

       'description': data[2],

       'availability': data[3] == '1',

     })

   return food_data

if __name__ == '__main__':

 file_name = sys.argv[1]

 food_data = parse_food_data(file_name)

 for food in food_data:

   print('{name} ({category}) -- {description}'.format(**food))

This code first reads the name of the text file from the user. Then, it opens the text file and reads each line. For each line, it splits the line into a list of strings, using the tab character as the delimiter. It then creates a dictionary for each food item, and adds the following information to the dictionary:

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What is meant by the term text?
A. Printed information only
B. Printed, visual, and audio media
C. Any words conveyed by media
D. Content found only in books and mag

Answers

It’s d pick d because it correct

The term text means content found only in books and mag. Thus, option D is correct.

What is a text?

It is a set of statements that allows a coherent and orderly message to be given, either in writing or through the word of a written or printed work. In this sense, it is a structure made up of signs and a certain writing that gives space to a unit with meaning.

A video is a recording of a motion, or television program for playing through a television. A camcorder is a device or gadget that is used to record a video. audio is the sounds that we hear and mix media is a tool used to edit the video.

Digital camcorders are known to have a better resolution. The recorded video in this type of camcorder can be reproduced, unlike using an analog which losing image or audio quality can happen when making a copy. Despite the differences between digital and analog camcorders, both are portable, and are used for capturing and recording videos.

Therefore, The term text means content found only in books and mag. Thus, option D is correct.

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Which complaints was stated by some Strategic Defense Initiative Organization (SDIO) board members about the software of the Strategic Defense Initiative (SDI)?

Answers

Answer:

they complained that it threatened the Mutually assured destruction (MAD) approach.

Explanation:

For example, the Strategic Defense Initiative (SDI) allowed for a swift response if the United Nations came under attack, by deploying ballistic strategic nuclear weapons.

However, the Mutually assured destruction (MAD) approach demanded that there should be restraint in using nuclear weapons, especially when there is a threat of another Nation.

Your friend Alicia says to you, “It took me so long to just write my resume. I can’t imagine tailoring it each time I apply for a job. I don’t think I’m going to do that.” How would you respond to Alicia? Explain.

Answers

Since my friend said  “It took me so long to just write my resume. I can’t imagine tailoring it each time I apply for a job. I will respond to Alicia that it is very easy that it does not have to be hard and there are a lot of resume template that are online that can help her to create a task free resume.

What is a resume builder?

A resume builder is seen as a form of online app or kind of software that helps to provides a lot of people with interactive forms as well as templates for creating a resume quickly and very easily.

There is the use of Zety Resume Maker as an example that helps to offers tips as well as suggestions to help you make each resume section fast.

Note that the Resume Builder often helps to formats your documents in an automatic way  every time you make any change.

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_____ is a method of drawing a scene in which an animator only creates the important key poses that point to the action and map out how the scene will unfold.

Answers

Answer:

Explanation:

Any drawing you do from real life will help you understand weight, dimension, and composition.

false

A benshi, used in Japanese animated movies, is another name for which of the following? cartoon, stop motion, narrator, fall guy.

narrator

The process of drawing each frame of a scene from the beginning, figuring out how the action will unfold along the way is known as which of the following?

main purpose drawing

The magic lantern is the name of a magician's trick. T/F

false - name of camera

which of the following are used to draw action?

arcs

Appeal encompasses elements of good design, good drawing, and good storytelling.

true

What was an early 20th century variety show that used animation?  

carnival

Magic lanterns used a light reflecting off a mirror and through a lens to project a painted image.

T

What are the key points in the actions called?

key frames.

Which of the following was a glass disc that had images painted around the outside edge

zoopraxiscope.

Flip books are very complicated to make.

T

What device used a series of images on celluloid, viewed through an eyepiece by one person at a time?

kinetoscope

Cel animation was a labor-saving technique invented by who?  

Walt Disney

A storyboard is a series of drawings with dialogue and directions to summarize a film in which of the following ways?

graphically

What is the name of the process where key points in action are mapped out as the scene is drawn?

storyboarding

You are developing an application to ingest and process large volumes of events and data by using Azure Event Hubs.
You must use Azure Active Directory (Azure AD) to authorize requests to Azure Event Hubs resources.

Answers

Note that it is TRUE to state that you must use Azure Active Directory (Azure AD) to authorize requests to Azure Event Hubs resources.

How is this so?

Azure Event Hubs, a   data streaming platform,can be integrated with Azure Active Directory (Azure AD) for authentication and authorization purposes.

This ensures that requests to access and utilize Event Hubs resources are authorized and controlled through Azure AD, providing secure and authorized access to the application.

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You are developing an application to ingest and process large volumes of events and data by using Azure Event Hubs.

You must use Azure Active Directory (Azure AD) to authorize requests to Azure Event Hubs resources.

True or False?

PLEASE HELP ITS CODING AND I INCLUDED A SCREENSHOT OF WHAT TO DO

PLEASE HELP ITS CODING AND I INCLUDED A SCREENSHOT OF WHAT TO DO

Answers

def even_checker(lst):

   for x in lst:

       if x%2==0:

           print(x)

l = [1,2,3,4,5,6,7,8,9,10]

even_checker(l)

I wrote my code in python 3.8. I hope this helps.

A user needs to communicate the same message with 20 people in a company. The message is lengthy with several images included in it. Which communication method would best fit this scenario? Describe the etiquette associated with communicating in this method.

Answers

Since the user needs to communicate the same message with 20 people in a company. The communication method would best fit this scenario is the use of a bulk email message.

What does "mail message" mean?

An email message is a text that is transmitted or received over a computer network and is often short as well as casual. Email communications are often only text messages, but they can also contain attachments (such spreadsheets and graphic files). Multiple people can receive an email message at once.

Therefore, The exchange of communications using electronic devices is known as electronic mail. At a time when "mail" solely referred to physical mail, email was therefore conceptualized as the electronic equivalent of or counterpart to mail.

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Which of the following statements are true about how technology has changed work? Select 3 options. Responses Businesses can be more profitable by using communication technology to reduce the costs of travel. Businesses can be more profitable by using communication technology to reduce the costs of travel. With the spread of technology and the Internet, smaller businesses are not able to compete as effectively as before. With the spread of technology and the Internet, smaller businesses are not able to compete as effectively as before. In a gig economy, workers are only hired when they are needed for as long as they are needed. In a gig economy, workers are only hired when they are needed for as long as they are needed. Through the use of the Internet and collaboration tools more workers are able to perform their jobs remotely. Through the use of the Internet and collaboration tools more workers are able to perform their jobs remotely. Technology has not really changed how businesses operate in the last fifty years. Technology has not really changed how businesses operate in the last fifty years.

Answers

The three genuine statements almost how technology has changed work are:

Businesses can be more productive by utilizing communication technology to decrease the costs of travel. This can be genuine since advances like video conferencing and virtual gatherings permit businesses to conduct gatherings, transactions, and collaborations remotely, lessening the require for costly travel courses of action.

With the spread of technology and the Web, littler businesses are not able to compete as successfully as some time recently. This explanation is genuine since innovation has empowered bigger companies to use their assets and reach a worldwide advertise more effortlessly, making it challenging for littler businesses to compete on the same scale.

Through the utilize of the Web and collaboration devices, more laborers are able to perform their occupations remotely. This explanation is genuine as innovation has encouraged farther work courses of action, allowing employees to work from anyplace with an online association. Collaboration instruments like extend administration computer program and communication stages have made inaccessible work more doable and effective.

Technology explained.

Technology alludes to the application of logical information, aptitudes, and devices to form innovations, fathom issues, and move forward proficiency in different spaces of human movement. It includes the improvement, usage, and utilize of gadgets, frameworks, and processes that are outlined to achieve particular assignments or fulfill specific needs.

Technology can be broadly categorized into distinctive sorts, such as data technology, communication technology, therapeutic innovation, mechanical technology, and transportation technology, among others. These categories include different areas, counting computer science, hardware, broadcast communications, building, and biotechnology.

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Where are functions stored?

in the development environment or on the Internet

in the development environment or in an individual program

in an individual program or on a computer’s hard drive

in an individual program or in a lookup table

Answers

Answer:

In the development environment or in an individual program

Explanation:

A function in programming is a code or lines of code that perform a particular function.

They are stored in the development environment or in an individual program so they can be called up and execute when needed.

Which technology is making quantum computing easier to access and adopt

Answers

The technology that is making quantum computing easier to access and adopt is known to be option c: cloud.

What technologies are used to build quantum computers?

A lot of Efforts is known to be used in creating a physical quantum computer that is known to be based on technologies such as transmons, ion traps and others

Cloud computing is seen as a kind of an on-demand presence of computer system resources, and it is one that is made up of data storage and computing power, and it is one where there is no direct active management by the user.

Hence, The technology that is making quantum computing easier to access and adopt is known to be option c: cloud.

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See full question below

Which technology is making quantum computing easier to access and adopt?

a. Edge Computing

b. Virtual Reality

c. Cloud

d. Blockchain

You are given a decimal number to convert into binary. Press the buttons to
change their values so that the row represents the decimal number on the left.
When a 1 is used, we consider the value to be ON. When a 0 is used, we consider
the value to be OFF.

128
90
69
93
76
47
12
66
122
70
103

Answers

To convert the given decimal numbers into binary, here are their binary representations:

128: 10000000
90: 01011010
69: 01000101
93: 01011101
76: 01001100
47: 00101111
12: 00001100
66: 01000010
122: 01111010
70: 01000110
103: 01100111

Luka has been asked by his supervisor to monitor the dark web for any IOCs concerning their organization. The next week, Luca reports that he was unable to find anything because looking for information on the dark web is different from using the regular web. Which of the following is FALSE about looking for information on the dark web?
a. It is necessary to use Tor or IP2.
b. Dark web search engines are identical to regular search engines.
c. Dark web merchants open and close their sites without warning.
d. The naming structure is different on the dark web.

Answers

The FALSE statement about looking for information on the dark web is: b. Dark web search engines are identical to regular search engines.

While it is true that using Tor or IP2 is necessary to access the dark web, and that dark web merchants may open and close their sites without warning, and that the naming structure is different on the dark web, it is false to state that dark web search engines are identical to regular search engines.

Dark web search engines are designed to search the dark web, which has a different structure and content than the regular web. They use different algorithms and indexing methods than regular search engines to locate and retrieve information from hidden services. Therefore, it is important to use specialized dark web search engines to effectively search for information on the dark web.

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Other Questions
simplify the following statements: (10 pts) (a) ((pr) (qp)) Explain what the text says explicitly.50 POINTSReread paragraph 6 of Danger! This Mission to Mars Could Bore You to Death!Then, explain the effect boredom has on the brain. Cite explicit and relevantevidence from the text to support your response. What is the present worth of $58,000 twelve years from now at 4% compounded annually?a. $14,797.46b. $45,064.64c. $20,000d. $36,226.63e. $10,299.02f. $26,752.17g. $6,002.92h. $24,586.76i. $24,794.88 7^x=3^[x+4] solve x using logarithmic Suppose T(n) = n(n +1)/2. Find T(10). a45 b45/2 c55/2 d55 Calculate the standard enthalpy of formation for diamonds, given that C(graphite) + O2(g) CO2(g) A# --393.5 kJ/mol C(diamond) + O2(g) CO2(g) AH =-395.4 kJ/mol | kJ/mol Which of these choreographers took Ballet-trained dancers and merged them with vaudeville styles to help create what would later be known as theatrical dance, or Jazz Dance? Group of answer choices Eleanor Powell Ginger Rogers Busby Berkeley Agnes DeMille Considering what you have learned about poverty, as well as how students are treated differently based on tracking, how is being placed in the lowest track likely to impact low income or low achieving students? A. They are likely to believe that school is not for them and drop out. B. They are likely to get more support and therefore do better in school. C. They are likely to be inspired to work harder to get into the more advanced groups. D. There is likely to be no difference in educational outcome if the tracking is appropriate. What is the benefit to doing epidemiological studies?A.) Patients do not have to unwillingly be exposed to harmful substancesB.) Patients are never exposed to harmful substances could anyone type me 3-4 paragraphs describing your perfect world. it could be one like we have today or a totally new and different world (i prefer a totally new and different world). describe it using as many sense of words and images as you can. try to make your reader envision it in their minds and be able to see it. i'd rly appreciate anyone's help asap, thanks in advance!!:) I WILL GIVE BRAINIEST Stanley has two sets of three cards face down on a table. Each set contains: the 2 of hearts, the 5 of diamonds, and the 8 of clubs. He randomly turns over one card from each set.Find the probability of each event:a) Both cards are red.b) The first card is red and the second card is black.c) Both cards are even numbers.d) The sum of the numbers is greater than 8.Which strategy did you use each time?Please explain your work. There were 240 students at a primary school. After some new students were transferred into the school, there were 282 students in all. What was the percentage increase in the number of students at the primary school? satellites can measure which pigment to determine ocean productivity. true or false When rolling patients on wheeled stretchers, what should the rescuers face? simplify. 5x^2+4x-17-9x-6 the following data shows the quantities of soda and cheese that can be produced in the us and france with one unit of resources. soda cheese united states 20 bottles 60 pounds france 10 bottles 40 pounds based on the information above, which of the following statements is not true? the u.s. has a comparative advantage in producing soda the u.s. has an absolute advantage in producing soda the u.s. has an absolute advantage in producing cheese france has an absolute advantage in producing soda How have the poets dealt with the themes of compassion and brotherhood in the poems Nine Gold Medals and The Cold Within? What will be the end product(s) of the following dehydration synthesis reaction? A(0,-6) B(-1,-5) C(1,-5) D(-5,1) 5x+2y = -39-5x+6y = -67O Add to eliminate x.Subtract to eliminate x.Subtract to eliminate y.0 Add to eliminate y.