Draw coins in two ways to show 57¢ describe how to chose the coins for each way

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Is the power produced directly proportional to the wind speed, give reasons for your answer?