PLEASE HELP ME! What is the slope?
M= 2/1

M= 1/2

M= -2/1

M= -1/2

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.