PLEASE HELP?! i need this done soon

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

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable