Honestly got really bored while in quarantine so decided to do school work but having trouble with algebra 2

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

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid