Lexi bought a new car. she drove 54 miles in the first month that she owned the car and 45 miles in the second month that she owned the car. how many miles did lexi drive in all during the first two months that she owned the car?

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.