Apet store has a total of 60 dogs and cats. there are 10 fewer cats than dogs. let c represent the number of cats and d represent the number of dogs. the following system of equations represents the situation: d−10=c d+c=60 how many cats and dogs are in the pet store?

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.