D. Consider the quadratic expression 4 x? - 21 + 20
i. Factor using the area model

720

step-by-step explanation:

first i did work 2nd i did work and 3rd i did work

you save $70

discount would be 35% off

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