I think it's A when shown work it equals to 2 not -1/2
A. You add. Hopefully this is right
A fraction? I don't understand since it is not multiple choice.
Answer: A
Step-by-step explanation:
The diameter is 10 ft and to get r you divide 10 by 2 to get 5. Then square the radius and multiply by h.
Hi!
First make the denominators the same.

Add the numerators

Simplify to get your answer
The answer is

Hope this helps! :)