Ik its long but PLEASE HELP!

IMAGE 1:

The object is 3 units tall, 7 units long, 2 units wide.

3 * 7 * 2 = 42

Answer is 42 cubic units.

IMAGE 2:

Let’s start with the smaller figure first.

The figure is 2 m tall, 6 m wide, and 5 m long.

2 * 6 * 5 = 60

Answer is 60 cubic meters

IMAGE 3:

The aquarium is 5 ft long, 4 ft wide, 2 ft deep (tall).

5 * 4 * 2 = 40

The volume is 40 cubic ft

The volume is 40 cubic ft

If i'm correct the answer is $15.97