Free points just answer by using numbers 7,3,7,3 and with any maths signs can you make number as 24

Which pair of angles are vertical angles? ∠1 and ∠4 ∠1 and ∠2 ∠2 and ∠4 ∠2 and ∠3

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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?