An airplane, flying at an altitude of 15,000 feet above sea level, flies directly above a submarine that is traveling at a depth of 1,250 feet below sea level. what is the distance between the airplane and the submarine?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years