A parasailor is being pulled by a boat on Lake Powell. The cable is 330 feet long and the parasailor is 80 feet above the surface of the water. What is the angle of elevation from the boat to the parasailor?

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?