The manager of a gas station has attached a cable with flags on it to a light pole in order to attract more business. The cable is
attached 15 feet above the base of the light and forms a 50° angle at the ground.
Which equation can be used to find the length of the cable, r?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?