"State A and state B are among the states with the most remaining drive-in movie screens. State A has 5 more screens than state B, and there are 55 screens total in the two states. How many drive-in movie screens remain in each state?"

What is the smallest integer n such that n\sqrt{2} is greater than 20

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

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?