Aspherical water balloon has a diameter of 10 centimeters. how much water is needed to fill the balloon? round your answer to the nearest whole number.

We just started the introduction into circles and i have no idea how to do this.

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?