I need help on this pre-calculus function about domain and range.​

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

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?