Mesa heather you going to work a dollar 76.6 girl quarters and pennies how many quarters and pennies does he have

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

I’m really confused and need your assist me with this question i’ve never been taught

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.