The venn diagram shows the number of patients seen at a pediatrician’s office in one week for colds, c, ear infections, e, and allergies, a. how many patients total were seen for only a cold, only an ear infection, and only allergies?

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.