What is the mean absolute deviation of the data set? {20, 10, 30, 20, 50, 30, 40, 20} a: 8 b: 10 c: 12 d: 20

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "