Starting with the formula for the difference of cubes, which pair of steps can be used to show that the expressions are equivalent?

- (2, -7)

- lines r and s and lines t and u must be parallel

the answer is a.

135 and 80

step-by-step explanation:

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

ed sheeran was one of the winners?

step-by-step explanation:

google xd