After t seconds a ball thrown in the air from ground level reaches a given height (h) in feet. Given the equation h = 16t^2 +144+100 at what time does the
ball reach 100 feet?

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55