The volume of a cone is 16x cubic inches, Its height is 12 inches. What is the radius of the cone?
2 in
4 in
12 in
16 in

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap