Find an equation for the perpendicular bisector of the line segment whose endpoints are (-1, -3) and (5, -7).

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 values of each variable in the diagram below?

Solve the formula ax+ by = c for x.