Abe is a salesman and is paid a fixed salary each week and earns an additional amount of money for each package sold. His sales and salary for the first two weeks of employment are shown in the table above. Which statement is TRUE?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.