The Cartesian equation x2 + y2 = 0 converted to a polar equation is r = . 1
0
90
180

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y