X^2-3=0 solve for all real values of x

Two vertices of a polygon are (7, −18) and (7, 18) . what is the length of this side of the polygon? enter your answer in the box. units

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6