book Maths Puzzle Numerical Ability

In one of the early rocket experiments on The Planet of the Apes, a banana was launched straight upward so that its height in feet above the ground after t seconds was given by the function h= -42t^2+504t. When did the banana hit the ground?

Read Solution (Total 0)

book Other Question

How do you combine like terms like this? -5x+8+7x-11 [-2y]=[4-5x]
[x]=[y+5]