Someone help answer this please and thank you ! <3

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

If 25% of y is 30, what is 60% of y?

The quadratic function h(t)=-16.1t^2+150 choose the graph representation