Respuesta :

mona1996
I believe its B hope this helps 
trampoline
A = l * w
l = 2w + 8

120 = w(2w + 8)
0 = 2w^2 + 8w - 120

Then you just use the quadratic formula where a=2, b=8, and c=-120.

You get w=6

B) 6 inches

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