What is the average of something (mean or mode) i really need to know i forgot what the difference was ho

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.

Select the correct statement about the function represented by the table

Which answer choice is it? is it the first ,second,third or fourth giving 40 points for whoever answers correctly you