Omar is born weighing in a pounds 3 ounces the doctor says he should gain about 5 ounces each week for the next four weeks how much should omar weigh after four weeks

How do i do this activity, is appreciated

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.

Solve 13 + w/7= -18 (w/7 is a fraction)