The volume of a sphere is 36π cubic feet. what is the radius of the sphere? (v = 4 3 πr3) a) 3 ft b) 4 ft c) 6 ft d) 8 ft

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.