What is the mean?
7.9.10.12.15.16

What is the greatest common factor of 8 and 36

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

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.