What is the volume of the sphere below?
O A. 12pi units3
O B. 27pi units
O C. 36pi units3
D. 81pi units
![What is the volume of the sphere below O A 12pi units3 O B 27pi units O C 36pi units3 D 81pi units class=](https://us-static.z-dn.net/files/d83/b178b2fbeb5d535e9a352a0f1386995c.png)