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, yβ12, z). find x, y, and z. there are 2 sets.
What is the area of the composite figure whose vertices have the following coordinates? (β2,ββ2) , (4,ββ2) , (5,β1) , (2,β3) , (β1,β1) enter your answer in the box.
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