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.
3.4+0.4+4.17=7.97 you just have to try different combinations of different numbers with the decimals.
Question 9. d
Question 10. b
Question 11.b
You can not put this on here :)
Answer:
11 is the answer
Step-by-step explanation: i hope so cuz my calculations gives this answer