A ball is thrown into the air with an initial upward velocity of 60 m/sec. Its height h in feet after t seconds is given by the by the function h=−4.9t^2+60t+12. How high did the ball go?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.