Answer:
Option C. 4(20-16y): Each side measures 20-16y units.
Step-by-step explanation:
we know that
The perimeter of a square is equal to

where
b is the length side of the square
we have

substitute the given value in the formula

solve for b
Divide by 4 both sides

Rewrite the expression

<em>Alternative Method</em>
we have

Factor 4

so
Each side measures (20-16y) units.
Answer:
i don't know
Step-by-step explanation:
you confused me
What is her answer? She needs to have an answer. If she doesn't have an answer, then I can't identify the mistake
Answer:
D. x = -1.
Step-by-step explanation:
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