Answer:
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Step-by-step explanation:
18
Review the factors of 324 to get the square root which is 18
hope it may help but I wasnt able to find y cause no question
4x+9
Perimeter=side+side
Therefore, 5+5+x+1+x+1+2x-3
so (10)+(2x+2)+(2x-3)
= 9+4x
