Solve the following system of equations by elimination: 2x + y = -1 3x - y = -9​

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?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?