Select the repeating decimal number that is equivalent to }

On a piece of paper, graph . then determine which answer choice matches the graph you drew

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?

How is working backward similar to solving an equation?