If ivan has 2/3 hours in his mp3 . is there is more than or less than 60 minutes of jazz on ivan mp3 player? explain how you know

1foot = 12 inches; 1 yard = 3 feet

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?

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms