Is 6.610
irrational number?

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π