Find the geometric mean of the pair of numbers.
169 and 9

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer