Algebra Tiles

>_< I’ve forgotten how to solve ;;

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

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

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2