The volume of a cone is 3pi x^3 cubic units and its height is x units.
Which expression represents the radius of the cone's base, in units?
3x
5x
3pi x^2
9pi x^2
![The volume of a cone is 3pi x3 cubic units and its height is x units Which expression represents the radius of the cones base in units 3x 5x 3pi x2 9pi x2 class=](https://us-static.z-dn.net/files/dd7/d93d1ca55b21079c4e35e51c06e9c937.png)