In the expression 5 - 2 x 5, with which operation should we start?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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 dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction