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12 questions
Select all the expressions that are equivalent to 9+7x-3y.
9+7x+3y
9-7x-3y
9-7x+3y
9+7x+(-3y)
9-(-7)x-3y
Each sheet cake requires 3 cups of flour and 2 cups of sugar. If a bakery has 75 cups of flour and 75 cups of sugar, how many sheet cakes can be made?
37
25
15
12
Which of the following is a fully factored expression of 24x-56y+72?
8(3x-7y)+72
80(3x-7y)
8(3x-7y+9)
24x-56y+72
Megan's room was remodeled. The new area of the room is 175% of the previous area. Only the length of the room changed, as seen in the image. Which expression represents the new area of Megan's room?
4x
x+4
4(4+x)
6(4+x)
Select all the expressions that are equivalent to 24x+12.
2(12x+6)
-6(-4x-2)
-3(8x-4)
12(1+2x)
-4(-6-3x)
Simplify the expression
5a-2b-3+2b-6a
-4
2a-4b
-a-3
a-3
Which of the following is equivalent to the expression -a-3?
-(3+a)
-a+3
-(a-3)
-3+a
Select all the expressions that are equivalent to 15-5x.
-5(x-3)
3(5-x)
-5(3-x)
-3(-5+2x)+x
5(3-x)
A store owner spends 7x+13 dollars on two orders of boxes of light bulbs, including shipping. If she spends 3x+5 dollars on the first order of light bulbs, which of the following represents how much she spends on the second order?
10x+18
4x+8
21x+65
10x+8
Cindy spent $65.25 on ingredients for a blueberry pie and $62.84 on ingredients for a cherry pie. Each slice of pie sells for $3.50. Which expression represents Cindy's profit if she sells b slices of blueberry pie and c slices of cherry pie?
128.09(b+c)-3.50
3.5(b+c)-128.09
3.5b-128.09c
128.09b+3.25c
Paint costs $3.99 per can and brushes cost $2.50 each. The sales tax rate is 5%. Which expression represents the total cost of p cans of paint and b paint brushes?
3.99p+2.50b
0.05(3.99p+2.50b)
1.05(3.99p+2.50b)
-1.05(3.99p+2.50b)
Which expression is equivalent to 41x+3−31x+(−2) ?
x+5
121x−1
x+1
1−121x
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