A guy hits a ball from a starting elevation of 2 feet with a velocity of 70 feet per second down to a green with an elevation of -7 feet. the number of seconds t is takes the ball to hit the green can be represented by the equation -16t^2+70t+2=-7. how long does it take the ball to land on the green

Which of the following is the result of expanding the series

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Find the zeros of each function. f(x) = 6x^2 - 7x - 20