Help please I will give Brainliest!!

Answer:

1- 12 inches

2- 12 x .7=8.4 inches next biggest doll

3- 8.4 x .7=5.88 inches next biggest doll

4-5.88 x .7=4.12 inches the last doll.

Step-by-step explanation:

Answer:

12 * 0.7³

Step-by-step explanation:

1st doll: 12

2nd: 12 * 0.7

3rd: 12 * 0.7 * 0.7

4th (smallest): 12 * 0.7 *0.7 * 0.7 = 12 * 0.7³

An irregular polygon is shown below:




The area of the irregular polygon is ____ square units.

Three out of every five students wore green on St. Patrick's Day. What percent of the students wore green?

35%
75%
60%
80%

Use the distributive property to expand 0.05(50 + 40).

Stacy buys 3 CDs in a set for $30.38. She saved $6.34 by buying the set instead of buying the individual CDs.

If each CD costs the same amount, how much does each of the 3 CDs cost when purchased individually?

Each CD costs $--------

During a sports competition, students participated in races of various distances. The data is shown in the frequency table. What is the range of lengths of the various races?

need help with 7, 8, and 9 plz :]

Which of the following best describes GCF?

a
Greatest Common Factor, factors that multiplied together give you that number or factors that the number can be divided by, that number or smaller
b
Greatest Common Multiple, factors that multiplied together give you that number or factors that the number can be divided by, that number or larger
c
Least Common Multiple, factors that multiplied together give you that number or factors that the number can be divided by, that number of smaller

Collect like terms to simply the expression
3r + (-3r) =



Blank 1:
Question 8 (1 point)
Collect like terms to simplify the expression

2j + (-9j) =



Blank 1:
Question 9 (1 point)
Collect like terms to simplify the expression

12 + 4b - 3 + 2c =



Blank 1:
Question 10 (1 point)
Collect like terms to simplify the expression

7y + 8 - 2y + 4 =



Blank 1:
Question 11 (1 point)
Collect like terms to simplify the expression

2a + 3b - 3a + 4c - b =





(This is not the same as the question before. Look closely.)

Blank 1:
Question 12 (1 point)
What is the perimeter of this triangle (in simplest form)?

Your answer should not have parentheses or multiplication symbols !





Blank 1:
Question 13 (1 point)
Which TWO expressions below are equivalent? (Make sure to click TWO answers !)

a
2(x - 5) + (-7)
b
2x - 17
c
2x - 12
d
x + (-7) + x + 5
e
x + (-7) + (-10)
Question 14 (1 point)
What shows the proper factoring of this expression?

4d + 24

a
4(d + 6)
b
2(d + 12)
c
4d(4 + 6)
d
6(d + 4)
Question 15 (1 point)
What is the proper factoring for this expression?

50 + 25x + 75y

a
75(x + y)
b
25(2 + x + 3y)
c
25(2 + 2x + 3y)
d
25(x + 3y)
Question 16 (0 points)
How confident do you feel about your ability to master this material by January 19?



(Don't worry--by the time we get to the first quiz, you will have had many chances to practice the ideas from this pre-test.)

a
Very confident
b
Pretty confident
c
A little confident
d
Not very confident

By what percent will the product of two numbers increase if one of them is increased by 30% and the other is increased by 60%?

please answer right ill give brainliest

she put out two more recovery tests smh

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 80 times in 4 minutes. What is her blinking rate, in blinks per minute?

I Need Help ASAP PLEASEEEEEEEee
What is the meaning of X

-16 + x = -15

xxx yyy
5.85.85, point, 8 5.85.85, point, 8
7.57.57, point, 5 7.57.57, point, 5
11.211.211, point, 2 11.211.211, point, 2
Find the constant of proportionality (r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy, equals, r, x.
r =r=r, equals

I need help with my math work please help please use explanation
Jenisse went running at the Holyoke High School track. She ran 4 miles in 31 minutes at a constant speed.
(A)What’s the unit rate for this ratio, written as a fraction? (How many minutes per mile?)
(B)How many minutes would it take for her to run 6 miles, written as a fraction?
(C)How many minutes would it take for her to run 10 miles, written as a fraction?

Ezra grew 120 plants with 40 seed packets. With 84 seed packets, how many total plants can Ezra have in his backyard? Solve using unit rates.

yall know the drill ;)

plz help!!! if both are answered= brainly

help me with this please i will crown brainliest :). even if it answer is wrong

PLz help btw it all in the question

NEEEDDDD HEELPPP PLEASSEEE

Jada's dog ran 20 laps around the track and then a quarter of that again. How far did Jada's dog run in all? *

can someone help me wth this

Which of the following values for x is true for 4x > 10


x = 34


x = 2


x = 2.5


x = 3
help!

READ THIS VERY VERY CAREFULLY.
Please and thank you.

Please answer! Give explanation to and follow steps to question. Tysm!!

Which sequence is represented by = 10 − 29 where x represents the term number and y represents the term?

1, -28, -57, -86, …

-29, -19, -9, 1, …

-19, -9, 1, 11, …

10, -19, -48, -77, …

The scatterplot below shows the relationship between the number of gallons of gasoline in the tanks of 14 cars, and the maximum number of miles the cars can be driven on the given amount of gasoline.

Gasoline
A graph has gallons in gas tank on the x-axis and maximum miles on the y-axis. A line goes through points (9, 280) and (12, 360).

Based on the data collected, which combination of gallons in the gas tank and maximum number of miles seems most likely to be possible?


I DONT KNOW HOW TO INSERT A PICTURE BUT PLZ HELP will MARK AS BRAINLIST!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Match the equation with the correct property of equality by drawing a line.

1)
5y = 12

5y + 6 = 12 + 6

2)
3 + 4 = a

[tex]\frac{3+4}{2}[/tex] = a ÷ 2

3)
3c + 9 – 9 = 15 – 9

4)
x + 3 = 8

4(x + 3) = 4(8)