Answer:
The second one is correct
the first one is x=-3(16+y/2
secone one is x=11+2y
Step-by-step explanation:
V = 0.512 m3
If each side length is 0.8, then the volume is 0.512 m3
-71/4
x = 3/4
f(x) = -2×2 +4x +1
f(x) = -4 +4x +1
f(x) = 4x -3
3 = 4x
3/4 = x
x= 3/4
