Va rock is thrown upward from the ground level with intial velocity of 250 feet per second. when will the rock hit the ground if its motion can be modeled by the equation (h)=-16t+250t

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)