A Manufacture of shipping boxes has a box shaped like a cube. The side length is 5a + 4b. What is the volume of the box in terms of a and b?

A. a^3 + 3a^2b + 3ab^2 + b^3
B. 125a^3 + 300a^b + 240ab^2 + b^3
C. 125a^3 - 300a^b + 240ab^2 - 64b^3
D. a^3 - 3a^2b + 3ab^2 - b^3

Question

A Manufacture of shipping boxes has a box shaped like a cube. The side length is 5a + 4b. What is the volume of the box in terms of a and b?

A. a^3 + 3a^2b + 3ab^2 + b^3
B. 125a^3 + 300a^b + 240ab^2 + b^3
C. 125a^3 - 300a^b + 240ab^2 - 64b^3
D. a^3 - 3a^2b + 3ab^2 - b^3

anonymous · Answer

|dw:1373954262442:dw|
when something is 

cubed
or
squared 

all sides are equal

anonymous · Answer

I'm curious. Is C the correct answer?