if the mean of a symmetric distribution is 130, which of these values could be the median of the distribution?

Which of the following expressions is equal to 2x^2+8

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.

Which of the following scenarios demonstrates an exponential decay