Question

I really really suck at math.

Answer 1

Explanation:

a = v^2/r

ra = v^2

r = v^2/a

Answer 2

r=v^2/a

Explanation:

a=v^2/r is says so

just multiply each side with r which leads us to

a*r=v^2

now divide each side with a

r=v^2/a