Pls answer, and be clear on which one your answering, very worth 30 : ) < 333

Just tell me how to set up the equation.

What is the upper quartile in the box plot?

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.