A company has two large computers. The slower computer can send all the company's email in 45 minutes. The faster computer can complete the same job in 15 minutes. If both computers are working together, how long will it take them to do the job?

Write an explicit formula that represents the sequence defined by the following recursive formula:

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?