4.680 + 34.200 + 20.386

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Adriveway is 40 yards long about how many meters long is it

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?