How can eccentricity be used to classify conics?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

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.