Answer:
18
Step-by-step explanation:
Just divide both sides by - 64
x=7.4
2.4+x=9.8
(x=9.8-2.4)
Bruh it’s 45
-7
156cm^3
V= 1/2 a*c*h
a=3
c=8
h=13
3*8*13=312
312/2=156
A