A puzzle in the local newspaper lists the letters MR, O, U, and Hand asks readers if they can correctly unscramble the letters.
How many different ways are there to list the five letters?
7 002 0

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.