Answer:
w= 1
Step-by-step explanation:
hope this helps :)
392
A = BH + 2LS + BL
H = 8
S= 7
L=16
B = 7
7(8) + 2(7)16 + 7(16) = 392
=3x^4+3x^3−x^2−3x+15
54
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