Which is less (-25)+12 or 40+(-63)

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.

What is 0.000008 meters in scientific notation

Measure a and b and find their sum. how are the angles related?