help me again pls :D sorry for the bother

Answer:
A
Step-by-step explanation:
2x2.5x3= 15
2x2.5x4.5=22.5
2.5x3x4=30
2.5x2x4=20
Answer:
The answer is A because it is the only answer that is 18 ft^3 or less.
Step-by-step explanation:
You have to multiply all the dimensions to get the total area.
a. 15ft^3
b. 22.5ft^3
c. 30ft^3
d. 20ft^3