Which of the following are equivalent expressions? SELECT ALL THAT APPLY. A
(x2)5= x7

B
x9 ÷ x4 = x13

C
x-2 = 1x2

D
(2x2y5 )3 = 2x5y8

E
(2x2y5)3 = 8x6y15

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

Let r = 3. what is the value of r + 58?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.