Solve the equation and select all that apply. a. -3/9 b. 6/18 c. -6/18 d. -1/3 e. 3 3 ANWSERS REQUIRED ( you can still answer if you don't know all 3!! :)

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

Pls brainliest will be awarded if answer is correct

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?