A ball is thrown straight up from the top of a 24-foot-tall building with an initial speed of 40 feet per second. The height of the ball as a function of time can be modeled by the
function h(t) = –16t

2 + 40t + 24.

a) How long will it take for the ball to hit the ground?

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.