A person standing close to the edge on the top of a 400-ft building drops a baseball. The quadratic function h(t)=-16t^2+400 models the ball’s height above the ground, h(t), in feet, t seconds after it was dropped. When will the object be 336 feet above ground level? Show all work AND interpret the meaning in the context of the problem.

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck