in a class of 30 girls, 17 play football, 12 play hockey and 4 play both games. how many play none of the games

The leader of the team wants to do everything him or herself. They have a very big ego and are difficult to work with. What is the problem? The problem is the team leader is a genius.

A graduate-level computer science course only gives the grades of A, B, or C. The department has determined that there should be 40% A's given, 40% B's given and 20% C's given as final grades for the course.

A person plans to invest a total of $ 5500 in an online account at 2 % annual interest and a bank account at 15 % annual interest. How much should he invest in each account so that the total interest in one year will be $ 435 ?

The temperature is - 3°F at 7:00 A. M. During the next 4 hours, the temperature increases 21°F. What is the temperature at 11:00 A. M.? The temperature at 11:00 A. M. is °F.

You have seven old books and need to choose four to give away.

0.563 wrote as a fraction

The quotient of 5:6 rounded to the nearest hundreth

How do you long divide with 3 digits?

Is 1/2 and 2/4 are equivalent fractions?

Let f (x) = 1-x and g (x) = x^3+4, find (f°g) (0)