Simplify the expression.
3. 3(5-2n)+9n



Find the sum or difference.
5. (3j+11)+(8j-7)
6. 3/4(Three-fourths)(8p+12)+3/8(three-eighths)(16p-8)
7. (2r-13)-(-6r+4)
8. -2.5(2s-5)-3(4.5s-5.2)


Solve the equation(Find the unknown variable). Check your solution.
13. 2/9(Two-ninths)g= -8
16. 2/7(Two-sevenths)k-3/8(Three-eighths)= -19/8

Answer:

3. 15 + 3n

5. 11j + 4

6.  27p - 5 over 4

7. 8r - 17

8. -18.5s + 28.1

13. G = - 162

16. K = 7007 over 256

Step-by-step explanation:

Hope it helps

Mr. boyd spent too much time on his speech and was late for the prom. He needs to be at the prom at 17:15 to help with the preparations. If he lives 20 km away and he leaves home at 16:40, what speed should he drive to get there on time. Allow him to park for 10 minutes and walk. Round your answer to the nearest kilometers per hour.

What is the IQR for the following data?

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A tree initially measured 27 1/2 feet tall. Over the next 3 1/2 years, it grew to a final height of 35 1/2 feet. During those 3 1/2 years, what was average yearly growth rate of the height of the tree

A.) 2 1/7 feet/year
B.) 2 2/7 feet/year
C.) 2 4/7 feet/year
D.) 2 6/7 feet/year

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1. In a comparison taste test of two juice drinks, 780 people preferred

Cranberry Blast. Only 220 people preferred Melon Splash. Complete

each statement.

a. There were more people who preferred Cranberry Blast.

b. In the taste test, () of the people preferred Cranberry Blast.

c. People who preferred Cranberry Blast outnumbered those who

preferred Melon Splash by a ratio of () to ().


Students at a middle school are asked to record how they spend their

time from midnight on Friday to midnight on Sunday. Carlos records

his data on his phone. Use his phone sereen for Exercises 4-7.


Decide whether each statement is an accurate description of how

Carlos spent his time that weekend. Explain your reasoning. Please refer to the smartphone image. ()

————

Carlos spent one-sixth of his time watching television. ()

————

The ratio of hours spent watching television to hours spent doing

chores or homework was 3 to 1. ()

————

Sports, Internet, and watching television took about 33% of

his time. ()

————

Time spent doing homework was only 20% of the time spent

watching television. ()

————

Sleeping, eating, and "other" activities took up 12 hours more

than all other activities combined. ()

————

A class at Middlebury Middle School collected data on the types of

movies students prefer. Complete each statement using the table.

Types of Movies Preferred by Middlebury Students

Action- 75,90

Comedy-105,150

Total-180,240


The ratio of seventh-graders who prefer comedies to

eighth-graders who prefer comedies is () to ().


b. The fraction of total students (both seventh-and eighth-graders)

who prefer action movies is ().

C. The fraction of seventh-graders who prefer action movies is ()


The sketches betow show two members of the Grump family. The

Crumps are geometrically similar. Use the figures in exercises 33- 36.

Grump A- 0.8 in.

Grump B-1.2 in.

33. Write statements comparing the lengths of corresponding segments

in the Grumps. Use each concept at least once.

a. ratio

b. fraction

c. scale factor



Suppose a news story reports "A survey found that

of all Americans watched the Super Bowl on television." Bishnu thinks this means the survey reached seven people and four of them watched the Super Bowl on television. Do you agree with him? If not, what does the
Statement mean? ()

Adam drove 951 Miles from Tucson to Dallas. He drove the same number of miles each day. How many miles did Adam drive each day to arrive in Dallas in 2 days?​

Combine like terms: 4-4z+5z-2+2z then solve

Only answer if you know the correct answer! Thanks! :)

can someone help plz

Due today! Help!

The homecoming dance happened last Saturday. Some students bought tickets in advance for $5 each and other bought tickets at the door for $7. In all, 290 students attended the dance and $1790 was the total of all ticket sales. How many students bough tickets in advance and how many bought tickets at the door?

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pls help with the IQR

The chalk circle around the pitcher's mound has a diameter of 16 ft. What is the area of the pitcher's circle?

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Pete is standing 4 feet away from a mirror on the ground. Pete is 6 feet tall and can just see the top of the tree in the mirror from where he is standing. The two triangles formed in the picture above are similar.

If the mirror is 16 feet away from the base of the tree, how tall is the tree?

a. 18 ft
b. 10 ft
c. 24 ft
d. 15 ft

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and brainliest

The sum of the residuals should always be 0 because the predicted values should be that close to the actual values.
True or false

what is the area of a semicircle with a diameter of 12?

What is the value of X?

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Noah bought stock in a company two years ago that was worth x dollars. During the first year that he owned the stock, it increased by 31%. During the second year the value of the stock increased by 15%. Write an expression in terms of x that represents the value of the stock after the two years have passed.

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Solve for the value of x: x/4 = 5

find the value of x
no links or i'll hit you with the chancla .

There is a closed carton of eggs in Mai's refrigerator. The carton contains e eggs and it can hold 12 eggs. What are some possible values of e that will make both e<12 and e>0 true?

which of the following is a equivalent expression to [(5 x 3) x 12]

find rate of change AND initial value