A sphere has a volume V=43πr3=36πV = \frac{4}{3}\pi r^3 = 36\piV=34πr3=36π. What is the radius rrr?
r=3r = 3r=3
r=363r = \sqrt[3]{36}r=336
r=9r = 9r=9
r=2r = 2r=2