Answer:
Polynomial expression that represents the area of blanket:

If
:
Step-by-step explanation:
The area of the rectangle can be calculated with the formula:

Being l the lenght of the rectangle and w the width of the rectangle.
In this case, the lenght and the width are represented with:


Substitute them into
:

Then:
Use Distributive property (Remember the Product of powers property:
):

Add like terms:
(Simplied form)
Evaluate
:

See the attached picture for the answer and steps:
The only number equal to zero is zero.
Answer: a = 0
Answer:
A
Step-by-step explanation:
Ratio of volume is ratio of the radius raised to the power 3.