How do the expressions 9+m2−3 and 8(m+3)−2m compare when m = 8? Drag a symbol into the box to correctly complete the statement.

9+m2−3 Response area 8(m+3)−2m when m = 8.

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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?