Equations and Expressions

Factor the expressions using the greatest common factor: -18m+33n-42p

• 12(2m+3n-4p)

• 3(-6m+11n-14p)

• 3(-2m+11n-12p)

• 6(3m-10n+7p)

• 8(-2m+8n-6p)

• -13g-3h

• -14g-17h

• 13g+3h

• -3g+17h

• -3g-14h

Simplify the expression

• 26y-48x

• -46y-4x

• -46y+48x

• -26y+48x

Using the rectangle. Which expression could be used to find the perimeter of the rectangle.

• p = 10m-6

• p = 5m-3

• p = 10m-42

• p = 40m-12

• p = 5m+18

• p=2

• p=3

• p=6

• p=-2

• p=-6

Rakayla buys some candy at the candy shop. The cost of the candy is $3.50 per pound and the tax cost an additional $1.50. If Rakayla pays a total of $15.50, which equation could be used to calculate the number of pounds of candy Rakayla bought?

Davontae buys an iPhone for $250. He pays $80 per month for service. After having his phone for an unknown number of months, Davontae realized that he spent $490 on his phone. Write and solve an equation to find the number of months Davontae had his iPhone.

• 4 months

• 3 months

• 5 months

• 2 months

• 6 months

Emili sells half her sticker collection to a friend, then buys 8 more stickers. She now has 30 stickers in her collection. Which equation(s) could be used to calculate the number of stickers Emili started with?

• n = 5

• n = 6

• n = 7

• n = 8

• 8(-9+3x-4y)

• 12(-6+2x-3y)

• 12(6-2x+4y)

• 9(-8+15x-4y)