Answer:
b~ 32
Step-by-step explanation:
There’s no table. There are no statements. Take a picture of the problem.
We can use 3 facts:



So, to find our x and our y we can do:
So, now that we know our x and our y we can find our r.

You'll notice, though, that there were two solutions for
, which means we have a positive and a negative for our x. So:

Square root of 9 is 3
Square root of 4 is 2
so 3/2
Make it negative and you got -3/2 for your answer.
Multiply than divide by 1