How many 5 letter combinations can be created from the letters in the word “friendly” ? assume that the order of the letters does not matter a. 56 b. 120 c. 6, 720 d. 40,320

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative