Evaluate the expressions A. 10 7/9 + (-9 2/3)
B. -10 7/10 -2 3/5
C. (4 1/2)(-3 3/10)
D. -8 3/5 divided by 1 1/5

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.

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²