Answer:
It is the second choice.
Step-by-step explanation:
Divide both side by pi r squared. Boom.
I'm not entirely sure what you're looking for, but here are your options. If you need a perfect square, I'd go for the 12 and 12, but I hope this helps?
Answer:
x=4 and x= - 5
Step-by-step explanation:
In order to solve this we should re-arrange the equation:

This is equal to:

Then we can seperate this into:

So solving for x in both cases we get

Answer:
24
Step-by-step explanation:
A negative integer times a negative integer is the same as a positive integer times a positive integer, so this would be the same as (8)(3) which is 24.
The rise is 1 and the run is 7