I just need help solving this problem. Also please don't put the answer into a file because I can't open them. It's also really sketchy.

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?