Pounds is the correct unit of measure
For this case we have that by definition, the volume of a cube is given by:

Where:
l: It's the side of the cube
According to the statement data:

Substituting in the formula we have:

Thus, the shipping cube volume is
Answer:

It equals 6 21/79 aaaaaaa
Answer :
inequality form: k ≥ -4
OR
interval form: [-4, ∞)