How to draw a model to show a fraction that is equivalent to 1/3 and a fraction that is not equivalent to 1/3

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

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

Find the missing factor. write your answer inexponential form.9^2=9^4×