Suppose we want to choose 5 letters, without replacement, from 9 distinct letters. How many ways can this be done, if the choices is not relevant?

How many ways can this be done, if the order of the choices is relevant?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points