It takes 4.5 ounces of copper to make a copper pipe fitting. American Pipe estimates they produce an average of 25.4 fittings per week. How much copper will it take to make fittings for the whole year?

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?