19. A basketball player passes the ball to a teammate. The ball leaves the player's hand 4 feet above
the ground and has an initial vertical velocity of 55 feet per second. The teammate catches the ball
when it returns to a height of 6 feet. How long is the ball in the air?

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