2 If you pick a card at random from a well shuffled deck, what is the probability that you get a spade or a king? O 13
52
O 9
52
O 1
13
13

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =