Y< 4 3 x+3 y≤−2x−1 Which graph represents the system of inequalities?

What is the solution to the equation 9^(x+1) =27

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?

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer