The histogram shows the numbers of shoppers in various age groups at a clothing store. use the histogram to answer the question. how many shoppers are less than 30 years old? a. 6 b. 7 c. 13 d. 17

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.