A pumpkin is launched directly upward at 52 feet per second from a platform 24 feet high. The pumpkins height, h, at time t seconds can be represented by the equation h(t)=-16t^2+52t+24. Find the maximum height of the pumpkin and the time it takes to reach this point. The answer and shown work please...

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.