On the new streaming site, A-flix, it costs $50 for a year's membership plus a one time
sign-up fee of $5. Each month after there's a
charge of $7. If Lacy spends $104, how many
months did she use A-flix?

I'm so close to finishing all these.

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

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π