The equation y=0.002x-0.20 can be used to determine the approximate profit, y in dollars, of producing x items. solve for x. How many times must be produced so the profit will be$3933?

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?