What is the mean absolute deviation for this set 65 95 85 70 70 95 55

Identify the parent function that can be used to graph the function f(x)=3(x-9)2

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.

What is the answer to this equation?