Write in algebraic expression! 1) The quotient of 7 and twice a number

2) the quotient of 7 and twice a number

3) three times a number decreased by 11

4) fifteen less than double a number

5) three times a number, increased by 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.