Let's set it up like this:

Multiply both sides by



We are then going to use the distributive property. Since we also know that the opposite of an number that is squared is the square root, we can also apply that. We would be left with something like this:

The variable

can be both positive or negative.
We have found successfully our answer.
Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish<span />
Answer:
You aren't even giving 200 points.
Step-by-step explanation:
Answer: is 3
Step-by-step explanation: this is because you need to divide the two numbers and 3 go into 5 and 15.
Answer:
530.929158457
Step-by-step explanation:
13x13= 169 x pi= 530.929158457
I believe it is the first one. A.