if bill puts $3,500 into an account that has a 2.5% interest rate compounded annually, how much money will bill have after 3 years

If m 17 27 90 63 ** picture is attached

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?