Twenty percent of the shoes in a factory are black. one shoe is chosen and replaced. a second shoe is chosen and replaced. then a third shoe is chosen. what is the probability that none of the shoes are black?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

C. using a standard deck of 52 cards, the probability of selecting a 4 of diamonds or a 4 of hearts is an example of a mutually exclusive event. true of false