Stop spamming links. Please just let me ask questions and get answers. I can’t find the answers anywhere else and don’t know how to do it. I’m serious. Does anyone know #4 and #5?

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when equals y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15