PLEASE HELP ME A penny is dropped off the Empire State Building, which is 1,250 feet tall. If
the penny's pathway can be modeled by the equation h(t) = - 16t2 + 1250
how long would it take the penny to strike the ground?

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.