You are planning a skating party at a rink that charges a fee of #5.00 and $7.00 per person for catered parties. you don't want to spend more than $40.00 write and solve an inequality to find the number of friends you can invite.

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.