Which equation accurately represents this statement? check all that apply. negative 3 less than 4.9 times a number, x, is the same as 12.8 a: -3-4.9x=12.8 b: 4.)=12.8 c: 3+4.9x=12.8 d: (4.9-3)x=12.8 e: 12.8=4.9x+3

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?