Atruck that can carry no more than 6600 lb is being used to transport refrigerators and upright pianos. each refrigerator weighs 250 lb and each piano weighs 525 lb. write and graph an inequality to show how many refrigerators and how many pianos the truck could carry. will 11 refrigerators and 6 pianos overload the truck? explain.

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.