In a random sample of 180, what is the probability that more than 50 have completed four years of colllege?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Does anyone know how to do geometryme with this problem

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.