A ball is launched into the sky at 19.5 feet per second from a 54.6 meter tall building. The equation for the ball’s height, h, at time t seconds is h = -3.9t2 + 19.5t + 54.6. When will the ball strike the ground?

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585