Please help! I don't know how to set these up

question x Points: 0 of 1 How many four-digit numbers may be formed using elements from the set {1, 2, 3, 4, 5, 6, 7, 8, 9} if no element may be used more than once in a number and the number must be even? waysHow many ways can 4 different contracts be distributed amongst 11 different firms, if any one firm can be awarded multiple contracts? ways