How to find the area using the net of a pyramid

Which rational number could be graphed between -4 and -5

If angle 2=3x +1 and angle 3=2x +4what is angle 2

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