The probability of choosing a blue marble is 25%. you do experiment and draw a marble 200 times (and replacing the marble drawn each time). how many times would you expect to get a blue marble?

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?