Which pairs of polygons are congruent? a. pairs 1, 2, and 3 b. pairs 1, 2, 3, and 4 c. pairs 2 and 3 d. pairs 1 and 3

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

This stem-and-leaf plot represents the heights of the students on ralph’s basketball team. one student’s height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.