Solve the following system via elimination
3x - y = 28
3x+y=14

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

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

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out