Which of the following interpretations for the given expression is correct? A. The sum of x2, 6x, and 4. B. The product of x and the sum of x, 6, and 4. C. The square of the sum of x, 6x, and 4. D. The sum of the square of x + 6 and 4.

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?