Find the value of the variable A. 48 B. 180 C. 139 D. 39 ​

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 °. °.

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