Which of the following can you determine when You use deduction and start from a given set of rules and conditions

A- none of these
B- what may be false
C- what must be true
D-what may be true

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?

Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case:

Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?