What number will fill in the blank 1/3 = (blank)/6

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

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 can you check that you have correctly converted frequencies to relative frequencies?