Ricky spends $103.19 in additional interest and charges on monthly payments as the result of a prior bankruptcy. if ricky had been able to save this money for one year and then put it into a savings account earning 3.1% simple interest, how much money could he have in savings after two more years

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236