Answer:
See below, please
Step-by-step explanation:
The right:


The left:

So, after comparing the right side and the left side of this equation, we know
1)

2)

3)

So,

Answer:
120 ft³
Step-by-step explanation:
volume=
(l×w×h)
=
(9×4×5)
= 120 ft³
V=hpir^2
h=20
r=12
v=20pi12^2
v=20pi144
v=2880pi
2nd one is answer
Answer:-180
Step-by-step explanation: