In the​ figure m<1=(x+7),m<2=(3x+4),and m<4=(5x-4). . Write an expression for m<3 which is an expression for m<3 select all the apply
A. 180 -(5x-4)
B.180 +(x+7)
C.180-(x+7)
d.180-{(3x=4) + (x+7) ]

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?