What is the value of y?
a. cannot be determined
b.60°
c.65°
d.120°

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.

Ineed ! what is the connection between ratios, fractions, and percents? give an example with your answer.

Provide all steps given to find the answer. simplify: 5(2x+9)²