Mary jumped off of a diving board into a pool. Her height as a function of time could be modeled by the function by h(t) = -8t2+ 8t +240, where t is the time in second and h is the height. How long did it take Mary to reach her maximum height? Explain how you arrived at your answer.

Ben and cam are scuba diving. ben is 15.815.8 meters below the surface of the water. cam is 4.24.2 meters above ben. what is cam's position relative to the surface of the water? choose 1 choose 1 (choice a) a 11.611.6 meters above the surface of the water (choice b) b 11.611.6 meters below the surface of the water (choice c) c 2020 meters above the surface of the water (choice d) d 20 meters below the surface of the water