Members of the cross country teams ran an obstacle course. The histogram belies shows the time in minutes and seconds, for the members of team R to complete the course. The obstacle course time, in minutes and seconds, for team S are summarized in the box plot shown. Which of the following statements are true about the data for Team R and Team S? Choose all that apply

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

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.

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.