What is 3467 plus 7895

Question 5 spring semester final exam math evaluate

For the equations below which statement is true ? -2x=14 6x=-42

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?