Solve using the substitution method: y = 3 - x 2x + 4y = 6 show work : )

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Write the rational number in lowest terms 99/-15

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.