There are 56 students in the gym, and there are an equal number of students in each class. If four classes are in the gym, how many students are in each class?

What is the value of the expression below? (81^2)^1/8

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Asphere has a diameter of 10 in. what is the volume of the sphere?