Use 3.14 for and round your final answer

What is the volume of the sphere shown below with a radius of 3?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle