How to prove a quadrilateral is a trapezoid but not a parrallelogram

To prove a quadrilateral is a parallelogram, you must use one of these five ways. Prove that both pairs of opposite sides are parallel. Prove that both pairs of opposite sides are congruent.Prove that one pair of opposite sides is both congruent and parallel. Prove that the diagonals bisect each other.

Pp= 50 pounds of apples

The discount is 8.70 . you dont tell us the percent of tax added so there is no way to find out, unless i'm not seeing anything. without tax its 37.70