Evaluate the expression when
n=3.

For what values of b will f(x)= logbx be a decreasing function? (16 )

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

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?