The new haven high school cheerleaders got a t-shirt gun. the cheerleaders stand on the track and shoot the t-shirts up in the air. the quadratic function that models the height(in feet) of the t-shirt after a certain amount of time (in seconds) is: h(t) = -16t^2+64t+4 how high is the gun being held when it is fired?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15