Answer:
bottom one
Step-by-step explanation:
Because it's tall and if it was the same as the circumference it would have been wide
I think you solved it on your own because x is 82
The correct answer is that the length of one edge must be 1 unit. One cubic unit has a length, width, and height of 1 unit. V = 1 x 1 x 1.

<em><u>Solution:</u></em>
Given that we have to multiply the polynomials

Multiplying polynomials is similar to multiplying numbers
When you multiply two terms together you must multiply the coefficient (numbers) and add the exponents
Let us multiply the given polynomials

Multiply each term in first bracket with each term in second bracket

Add the exponents and multiply the coefficients

Combine the like terms -30x and 48x

Combine the like terms 

Thus the polynomials has been multiplied