Mathematics Middle School

Hey uhh this needs 20 "Characters" so blah blah blah. ok but really ty if you can help me out.

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Answer 1

i think the first one is -3 and 7 but thats all i got

Related Questions

Please help and explain how you did it! Because I 4got....

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Answer:

x = 6

Step-by-step explanation:

you need to solve for x. so you have to get it alone

-1 = x - 7

add 7 to each side

6 = x

Answer:

x = 6

Step-by-step explanation:

Step 1: Flip the equation.

x−7=−1

Step 2: Add 7 to both sides.

x−7+7=−1+7

x=6

2. 5 divided by 303=

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Answer:

147.804

Step-by-step explanation:

i think hope i helped

Answer:

0.01650165016

Step-by-step explanation:

what is 0.0000403 in scientific notation form

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Answer:

4.03 × 10^-5

Step-by-step explanation:

4.03 x 10 to the power of -5

Find how many 0’s there are and stick a minus on the start.

Can you help me with this?

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2/3 would be the answer in fraction form.
✨✨✨✨✨
because 2 people spent less than 120 out of 3 total people.
answer:2/3

2/3. That is the correct answer.

OMG PLEASE HELP I NEED TO FINISH THIS

Answers

Answer:Just subtract: 5/6 - 3/8 =11/24

I hope it helps

Answer:

5/6 - 3/8 =11/24

Step-by-step explanation:

So it's pretty simple you just get the subratct from 5/6 - 3/8 =11/24

Hope This Helps Btw i shouldn't get brainleiest cuase the other dude answered first

Solve the linear equation ¼ x + 18 = x. State the property that justifies your first step and why you chose it.
This question has already been posted I'm just raised up the pts
50 PTS

Answers

Answer:

1/4x+18=x

-1/4x

18=1/4x+x

Step-by-step explanation:

1/4x + 18 = x
18 = x - 1/4x
18 = 3/4x
24 = x

Yasin has tried to work the size of the angle marked g in the regular decagon below, using the fact that exterior angles sum to 360°. His workings are shown below.

a) Write a sentence to explain what Yasin has done wrong.
b) What is the size of angle g? Show all your workings.

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well, Yasin is correct, the exterior angles are all 36° each, however "g" is including more than just that, Check the picture below.

Answer: 36 is wrong

Step-by-step explanation: 360 - 36 = 324 degrees

Write an equation to represent the cost ordering balloons from Balloons-R-Fun.

You and your friends are considering having balloons delivered to your favorite teacher on the last day of school. Ballons-R-Fun charges $1.25 per balloon and $6 delivery fee. Singing Balloons charges $1.45 per balloon and $2 for delivery fee. Use a system of equations to calculate what the cost will be if you ordered the same number of balloons from either service.

Answers

Ballons-R-Fun:

cost=(n x 1.25) + 6

Singing Balloons:

cost=(n x 1.45) + 2

* n = number of balloons

If this equation is used:

eg. 5 balloons were order.
Ballons-R-Fun:

cost=(n x 1.25) + 6
cost=(5x1.25) + 6

cost=12.25

Singing balloons:

cost=(n x 1.45) + 2
cost=(5x1.45) + 2

cost=9.25

therefore = singing balloons are cheaper.

It will cost twelve dollars and 50 cent

The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.

Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside

Part A: Calculate the measures of center. Show all work. (2 points)

Part B: Calculate the measures of variability. Show all work. (1 point)

Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)

Answers

To calculate the measures of center, we need to find the mean and median for each school.

For Mountain View School:
Data: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 8 + 8 + 8 + 9) / 19
= 100 / 19
≈ 5.26

To find the median, we need to arrange the data in ascending order: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5

For Seaside School:
Data: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 1 + 1 + 2 + 2 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9) / 19
= 80 / 19
≈ 4.21

To find the median, we need to arrange the data in ascending order: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5

Now let's calculate the measures of variability, specifically the range and interquartile range (IQR).

Range: The range is the difference between the largest and smallest values in the dataset.

For Mountain View School:
Range: 9 - 0 = 9

For Seaside School:
Range: 9 - 0 = 9

Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1) and measures the spread of the middle 50% of the data.

For Mountain View School:
Q1 = 3
Q3 = 7
IQR = Q3 - Q1 = 7 - 3 = 4

For Seaside School:
Q1 = 2
Q3 = 7
IQR = Q3 - Q1 = 7 - 2 = 5

To determine which school is a better choice for a smaller class size, we can consider both the mean and the median.

Both the mean and median for Mountain View School are higher than those for Seaside School. This suggests that, on average, the class sizes at Mountain View School are larger than those at Seaside School. Therefore, if you are interested in a smaller class size, Seaside School would be a better choice

Part A:

For Mountain View School:
- Median: The median class size is the middle value, which is 25.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (29 + 28 + 28 + 27 + 25 + 24 + 24 + 23 + 21 + 20 + 19 + 18 + 15 + 13 + 10) / 15 = 21.27.

For Seaside School:
- Median: The median class size is the middle value, which is 20.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (25 + 25 + 27 + 27 + 28 + 28 + 28 + 30 + 31 + 35 + 36 + 38 + 40 + 43 + 45) / 15 = 31.13.

Part B:

For Mountain View School:
- Range: The range is the difference between the largest and smallest values, which is 29 - 10 = 19.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 20 and Q3 is 28. Therefore, the IQR is 28 - 20 = 8.

For Seaside School:
- Range: The range is the difference between the largest and smallest values, which is 45 - 25 = 20.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 27 and Q3 is 38. Therefore, the IQR is 38 - 27 = 11.

Part C:

If you are interested in a smaller class size, Mountain View School is a better choice for you because it has a lower mean and median class size than Seaside School.

Which list orders the numbers from least to greatest?

Negative 2.4, negative 1.5, negative 2 and one-fourth, negative 3, negative 1 and one-eighth

A number line going from negative 4 to positive 4.
Negative 1 and one-eighth, negative 1.5, negative 2 and one-fourth, negative 2.4, negative 3
Negative 3, negative 2.4, negative 2 and one-fourth, negative 1.5, negative 1 and one-eighth
Negative 3, negative 2 and one-fourth, negative 2.4, negative 1 and one-eighth, negative 1.5
Negative 1.5, negative 1 and one-eighth, negative 2.4, negative 2 and one-fourth, negative 3

Answers

Negative 3, negative 2.4, negative 1.5, negative 2 and one-fourth, negative 1 and one-eighth

Hope my answer helps you✌️

Negative 3, negative 2 and one-fourth, negative 2.4, negative 1 and one-eighth, negative 1.5 is the list that orders the numbers from least to greatest.

Please answer quickly!

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160 because you add them all up together

PLS ANSWER
The data shows how many videos were rented for a forty-day period. Which table matches the information data that was collected?

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I believe the Answer is: C

I also believe that the answer is C

1. Triangle XYZ has angle XYZ=42 degrees, YZX= 50 degrees and YXZ= 88 degrees. What is the midsize side?

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Answer:

YZX

Step-by-step explanation:

work out and simplify where possible 7/8 x 10

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Answer:

35x/4

Step-by-step explanation:

Answer:

35 / 4 ( in fraction ) or 8.75 ( in decimal )

Step-by-step explanation:

7/8 x 10

= ( 7 x 10 ) / 8

= 70 / 8

= 35 / 4

( or )

= 8.75

You are paid 1.5 times your normal hourly rate for each hour you work over 40 hours in a week. You worked 46 hours this week and earned $612.50.

Part A: Which equation can you use to solve for x , your normal hourly rate?
Part B: What is your normal hourly rate?

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Part A: 612.50=x(40)+1.5x(6)
Part B: 12.5
Distribute the xs so you get 40x+9x=612.50. Then divide 612.50 by 49 to get x.

Equation that represents the given situation is 40x + 6 *1.5x = 612.50.

What is Linear function?

A linear function in mathematics is one that has either one or two variables and no exponents. It is a function with a straight line as its graph.

Given, You are paid 1.5 times your normal hourly rate for each hour you work over 40 hours in a week. You worked 46 hours this week and earned $612.50.

First, define the variables. Let’s let x = his regular pay.

For first 40 hours pay = 40x

Over time pay = 1.5x

Since he worked 46 hours

Thus his over time pay = (46 -40) *1..5x

Thus his over time pay = 6 * 1.5x

Since, You worked 46 hours this week and earned $612.50.

linear equation that represents the given situation

40x + 6 *1.5x = 612.50

Normally hourly rate:

40x + 9x = 612.50

49x = 612.50

x =12.5

Therefore, Equation that represents the given situation is 40x + 6 *1.5x = 612.50.

Learn more about Linear Function here:

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Please help!!!!!! The information is in the screen shot

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The angle next to 119 is equal to 180-119=61
The missing angle of the triangle on the left is equal to 180-(61+41)=78
The angle next to 78 is equal to 180-78=102
The missing angle of the triangle on the right is equal to 180-(45+102)=33
X is equal to 33 since the angle that is equal to 33 is vertically opposite to x

Some students recorded how many minutes they spent on the phone in one day. They put the results in a Stem-and-Leaf Plot.

What is the mean number of minutes spent on the phone?

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Answer: 31

Explanation:

The data from the stem-and-leaf plot is:

10,

24,25,26,

30,30,32,33,

40,45,46

Add up those values

10+24+25+26+30+30+32+33+40+45+46 = 341

Then divide over n = 11 which is the sample size.

341/11 = 31 is the arithmetic mean.

Answer:

341/11 = 31 is the arithmetic mean.

Step-by-step explanation:

What is the measure of∠y
Hint: ∠x is a right angle.

Answers

The answer is 40 degrees because it’s a right angle. Right angles are 90 degrees. So 90 - 50 = 40 which is your answer.

The awnser is 40 degrees because it’s an alright angle and 90-50=40

One out of every 3 players on a soccer team is new this season. There are 15 player on the team in all. How many players are new?

Answers

Answer : 5 players

Step - by - step explanation :

First, put the information down . . .

1 out 3 players are new this season

there are 15 players in total

Second, convert ( the denominator [ to 15 ] ) . . .

1/3 x 5/5 = 5/15 <-- 5 players are new this season

tip : when trying to do things like this - multiply the numerator and the denominator by the same number for accurate results !

The number of new players is 5.

What is division?

Division is breaking a number up into an equal number of parts.

Given that, One out of every 3 players on a soccer team is new this season, There are 15 players on the team in all.

15/3 = 5

Hence, The number of new players is 5.

For more references on division, click;

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For each ride, a taxi service charges an initial fee plus an additional fee based on the number of kilometers of the trip. The graph shows the cost for taxi rides. Select a true statement. The rise is 4 while the run is 2. The selection of answers are:
A: The slope is 2.1. This means that each kilometer costs $2.10.
B: The slope is 5. This means that each kilometer costs $5.
C: The y-intercept is 2.1. This means that the initial fee is $2.10.
D: The y-intercept is 5. This means that the ride lasts 5. kilometers.

Which one is right and why?

Answers

THIS MIGHT NOT BE WHAT YOU ARE LOOKING FOR AND MIGHT NOT BE CORRECT! READ FIRST!

The answer is A. The slope of the line is rise/run = 4/2 = 2.1. This means that each kilometer costs $2.10. The y-intercept is 2.1, which means that the initial fee is $2.10. So the correct statement is: The slope is 2.1. This means that each kilometer costs $2.10.

The other statements are incorrect. The slope is not 5, so each kilometer does not cost $5. The y-intercept is not 5, so the ride does not last 5 kilometers. The y-intercept is the value of the function when the input is 0, which in this case is the initial fee of $2.10.

The answer for this is a

The table shows the results of randomly selecting a colored cube from a bag 80 times. The cube was returned to the bag after each selection.

Based on these results, what is the expected probability of randomly selecting a red cube from the bag in one attempt?

A) 0.20
B) 0.04
C) 0.24
D) 0.30

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The answer is not A or C because it doesn’t work out so it could be D or A The answer is A

It’s B 0.04 I hoped that helped

Please answer these questions! Thank you!

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I think 45 ( I am not sure )

A = 60 because there are 5 slots so you divide 300 by 5 which is a fair spinner.

B = 1 in 5 or 1/5 or 20% because like I said there are 5 slots and 5 chances of it landing on purple

C = 200 using the same logic

For the dice question, the answer is 45

I WILL MARK AS BRAINLIEST! Graph each coordinate pair on the graph and then indicate which quadrant or axis the point lies on.

Answers

Step-by-step explanation:

Quadrant I: None

Quadrant II: (-4, 2), (-1, 4)

Quadrant III: (-2, -4), (-3, -6), (-4, -5)

Quadrant IV: (1, -1), (2, -7)

Lying on x-axis:（3, 0)

-2 -4 is the 3rd quadrant
-3 -6 is the 3rd quadrant
-4 2 is the 2nd quadrant
-1 4 is the 2nd quadrant
3 0 is the 1st quadrant
1 -1 is the 4th quadrant
2 -7 is the 2nd quadrant
-4 -5 is the 3rd quadrant

2. A home furnishing store sells 6 chairs for $900. Martin buys 2 such chairs for her new home. How much did she spend on the purchase?

3. Sam can prepare 20 wall paintings in four weeks. How much time will he need to prepare 80 wall paintings?

4. Sonya can walk 6 kilometers in 3 hours. If she has to walk 10 kilometers, how much time will it take her?

5. You mix 7 tablespoons of vinegar for 4 tablespoons of baking soda to produce a chemical reaction. You use 15 tablespoons of baking soda. How much vinegar do you use?

6. A mint milkshake contains 1.25 fluid ounces of milk for every 4 ounces of ice cream. A strawberry milkshake contains 1.75 fluid ounces of milk for every 5 ounces of ice cream. Which milk shake is thicker? Explain.

7. The ratio of three numbers are 4:5:3. The sum of the numbers is 84. What are the 3 numbers?

8. You buy 10 pounds of bird seed at Store A for $11.50. Your friend buys 15 pounds of bird seed at Store B for $19.50. How much less would you spend by buying 20 pounds of bird seed at the store with the better deal?

Answers

[MA]:

3: 80 weeks.

4: 5 hours

5: 26.25 teaspoons

The explanation:

1st week = 20 walls

2nd week = 20 + 20 = 40 walls

3rd week = 20 + 20 + 20 = 60 walls

4th week = 20 + 20 + 20 + 20 = 80

Therefore, in 4 weeks. 80 walls in total will be painted.

6 km in 3 hours

10 km in x hours

Proportion:

6 - 3

10 - x

Cross multiplication:

6x = 3 * 10

6x = 30 \ divide by 6

x = 5

It will take 5 hours.

Tablespoon of vinegar taken (v) = 7

Tablespoon of baking soda taken (b) = 4

Therefore, ratio between v and b: 7 : 4

Tablespoon of vinegar taken (v) = x

Tablespoon of baking soda taken (b) = 15

Therefore, ratio between v and b = x : 15

7 : 4 : : x : 15

Produce of extremes = Product of means

26.25 teaspoons

Writer's note: Hope this helps!

[xArtsy}

Please help me with 1 though 4

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1: 28 miles
2: 960 ounces
3: 14 yards
4: 26,000

Each student’s unique identification number is paired with his or her grade level.

A:No, because not all students will have an identification number.

B:Not enough information is given.

C:No, because more than one student will be paired with the same grade level.

D:Yes, because each student’s identification number is unique and will be paired with just one grade level.

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Answer:

Step-by-step explanation: We dont have enough info to answer this question

i think the answer is b. not enough information is given

Consider the function below. Find f(8)

Answers

Answer:

f(8) = 9

Step-by-step explanation:

1. substitute x for 8

2. use the bottom equation because 8 > 2

f(8) = 1/2 * 8 + 5

3. solve

f(8) = 4 + 5

f(8) = 9

Answer:

f(8) = 9

Step-by-step explanation:

f(8) = 1/2 * 8 + 5

= 4 + 5

= 9

f(8) = 9

Hope this helps! :)

Sam is selling used books online. The first book the customer buys is $8.00, the second-third book are $7.00 each, the fourth and all other books, b, are $5.00. A buyer has $35 to spend, before tax and shipping. Write an inequality to show how many books this customer may buy before the applicable taxes and shipping charges.

Answers

8+7+7+5b is less than or equal to 35

This data set shows the daily number of visitors who used the yoga center at the park. The numbers in blue show the numbers for weekends. Daily Number of Visitors 13 15 12 18 9 18 20 15 22 26 24 12 29 12 18 8 16 17 21 19 38 24 37 27 32 34 28 31 15 Select the correct answer. For how many days were the numbers of visitors recorded? A. 27 B. 28 C. 29 D. 30 E. 31

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The answer would be
C. 29
We know this by counting the amount of numbers given for the data set

I don’t know to be real

What are the slope and the y-intercept of the function?

Answers

The slope should be -1 and the y intercept is 3

-1 and 3. i think that’s correct

Other Questions

Each month for 9 , jordan buy 2 sports book . How many more sports book does he need to buy before he has bought 25 sports book In an easier to nitrate molecule, the hydroxyl group of a phenol is a/n ___ director and a/n ____ of the benzene ring Which of the following illustrates the truth value of the following conditional?p: 7 + 1 = 0q: 2 + 2 = 5F F TT T TF T FT F T 1. What people and objects are shown? Make a list of what you see in the cartoon including captions.2. Which of the items on the list from Question 1 are symbols? What does each symbol stand for?3. What is the setting? 4. Are there any objects or people that seem to be exaggerated? If so, why do you think the artist exaggerated?5. What is happening in this image? 6. In your opinion, what is the cartoonists message? What elements of the cartoon give you that impression?7. Do you agree with the point of view and message of the cartoonist? Why or why not?8. What do you still wonder about? Animals exhale _____.oxygenglucosecarboncarbon dioxide What is the importance of coral reefs Studypool? Select all the expressions that are equivalent to 78.7. 73.73 718 79 (73)3 74 + 75 74.75 1 Answer: Heat of vaporization is the amount of heat required to change asubstance from a liquid to a solid form. a. true b. false2 Answer: The more unsaturated fatty acids a lipid contains, the "softer" ormore "oily" the lipid will be. a. true b. false3 Answer: Food chemistry is a study of the characteristics of the substancesof which foods are made. a. true b. false4 Answer: The simplest life form known is a bacteria, which consists of DNAor RNA surrounded by a protein coat. a. true b. false5 Answer: Most carbohydrates are used in the food industry to provide eitherbulk or a sweet taste to food products. a. true b. false The opinion that one's own way of life is natural or correct and the only true way of being fully human is calleda. cultural relativismb. cultural determinismc. ethnocentrismd. egocentrism part complete to what potential should you charge a 0.600 f capacitor to store 1.60 j of energy? Posted this on Pintrest a while back, and it is probably one of my best sketches. wdy think??? of the following choices regarding the time value of money, which one is accurate? multiple choice increasing the fv decreases the pv. decreasing the pv decreases the fv. increasing the initial cost of a project increases the project's npv. increasing the discount rate, increases the pv of a project. decreasing the discount rate increases the fv. many men lived in army camps even after they got __ ? what happens to temperature as a substance melts and heat energy is used to break the connections between molecules, until all melting is complete?responsesstays the samestays the samedecreases steadilydecreases steadilyincreases steadilyincreases steadily pharmacist required skills/training/education The soft drink industry is dominated by TCCC and PSC. The market is worth $6 billion. Each firm can decide whether to advertise, but advertising costs $1 billion to any firm undertaking it. Moreover, advertising will create only negligible new demand as the market is already saturated. So, for the purpose of this question, assume that the market remains at $6 billion regardless of advertising. If one firm advertises and the other does not, then the former captures the whole market. If both firms advertise, then TCCC captures 60% of the market and PSC captures 40% of the market, but the advertising must be paid for. If neither firm advertises, then the market is again split 60:40, with 60% going to TCCC and 40% to PSC.Draw the payoff matrix for this game where each player's payoff is equal to the value of market it captures less the cost of advertisement. Paso 2. Complete the online reviews from three people who visited MAMBA with the correct preterite or imperfect forms of the verbs provided.cumplir pasar serApenas mi segunda visita al MAMBA y cada vez est mejor!Hace un mes el museo (1) fuimos 60 aos y creo que est en su mejor momento. 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Formulating Financial Statements from Raw DataFollowing is selected financial information from General Mills, Inc., for its fiscal year ended May 29, 2016 ($ millions):Revenue $16,563.1 Cost of goods sold $10,733.6Cash from operating activities 2,629.8 Cash, ending year 763.7Cash, beginning year 334.2 Total liabilities 16,405.2Stockholders' equity 5,307.1 Cash from investing activities 93.4Non-cash assets 20,948.6 Total expenses (other than cost of goods sold) 4,092.7Cash from financing activities (2,293.7) Cash from financing activites includes the effects of foreign exhange rate fluctuations.A) Prepare the income statement, the balance sheet, and the statement of cash flows for General Mills for the fiscal year ended May 29, 2016.General Mills, Inc.Income Statement ($ millions)For Year Ended May 29, 2016RevenueCash, ending yearTotal expensesCost of goods soldNon-cash assetsGross profit Cash, ending yearTotal expensesCost of goods soldNon-cash assets Net incomeGeneral Mills, Inc.Balance Sheet ($ millions) May 29, 2016Cash Total liabilitiesCash, beginning yearNon-cash assets Stockholders' equityNet incomeTotal assets Total liabilities and equityGeneral Mills, Inc.Statement of Cash Flows ($ millions)For Year Ended May 29, 2016Cash from operating activitiesNon-cash assetsNet incomeCash, beginning yearCash from investing activities Cash from financing activities Net change in cash Noncash assetsNet incomeCash, beginning yearCash from investing activities Cash, ending yearB) Does the negative amount for cash from financing activities concern us? Explain.1) A negative amount for cash from financing activities implies that the company is unable to pay its debts as they come due and should be interpreted negatively.2) A negative amount for cash from financing activities is the result of additional borrowings. Because the additional funds are invested in earnings-generating assets, this should be viewed positively.3) A negative amount for cash from financing activities implies that the market value of the company's long-term debt has declined and this change should be viewed negatively.4) A negative amount for cash from financing activities reflects the reduction of long-term debt, which is a positive sign of the companys ability to retire debt obligations.C) Using the statements prepared for part a. compute the following ratios (for this part only, use the year-end balance instead of the average for assets and stockholders' equity):i) Profit marginii) Asset turnoveriii) Return on assetsiv) Return on equity Whats the unit rate for four pounds of bananas for $2.36 When solid copper and zinc are mixed to form the metal alloy brass, what kind of mixture results? Homogeneous or heterogeneous And, is the mixture a solid solution, a solid compound, an aqueous solution, or a salt?