Need with #1. the answer is 10 but show work .

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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.

Combine the information in the problem and the chart using the average balance method to solve the problem.