Can someone answer these 2 questions please ?

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.

Consider circle o, where and . m∠bpd °. °.

Quickly, you! v v v v v v v v v v v v