The amount of money Kayla earns from selling her greeting cards at a craft show can be determined by the equation e=$2.75c .She sold 42 cards at the last craft show. What is the constant of proportionality in this scenario?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Are the corresponding angles congruent? explain why or why not.

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.