Answer:
10 inches
Step-by-step explanation:
1/2bh
1/2(16)h=80
8h=80
h=10
the answer is 6
2x + 9 = 21
2x = 21 - 9
2x = 12
x = 6
x³+3x²+3x+1
=(x+1)(x+1)(x+1)
=(x+1)(x²+x+x+1)
=(x+1)(x²+2x+1)
=(x³+2x²+x+x²+2x+1)
=x³+3x²+3x+1
The answer is D
Because
-35/65 = -0.53
I hope that's help:)
