Select the functions that have identical graphs. 1)y = cosx
2)y = -sin(x- pi )
3) y =COS ( X- pi/2)

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

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.

Nikolas calculated the volume of the prism. his work is shown below.