Need help rn on a test

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?