What is the relationship between the amount of money Anna's aunt contributes and the amount Anna's brother contributes?

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?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Can you divide 25 into 4 equal groups? explain why or why not.