Andrew wants to build a slide for his daughter's tree house. if the tree house is 5 feet off the ground and he wants the slide to have a 60º angle, how long a sliding board does he need to buy? (round up to the nearest foot.)

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?