Joe has 200 marbles. 60 of them are blue and 85 of them are red. the rest are green. what percentage of the marbles are green

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

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes