John missed 4 problems on a test but did 75% of them correctly. how many problems were there in the test?

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Standard deviation of 19,29,21,22,23

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.