What is the missing number in the sequence shown below? 1 - 8 - 27 - ? - 125 - 216?

Which product is positive a is 2/5 -8/9 -1/3 -2/7 b is -2/5 8/9 -1/3 -2/7 c is 2/5 8/9 1/3 -2/7 d is -2/5 -8/9 1/3 2/7

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.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two