A high school student needs 9 more classes to graduate.  If she has met the prerequisites for all the classes, how many possible schedules for next semester could she make if she has 5 class periods to fill?

Last year’s freshman class at Big State University totaled 5,327 students. Of those, 1,265 received a merit scholarship to help offset tuition costs their freshman year (although the amount varied per student). The amount a student received was N($3,468, $489). If the cost of full tuition was $4,100 last year, what percentage of students who received a merit scholarship did not receive enough to cover full tuition?

The class includes 15 male and 20 female students. We need to assign 5 students per group for senior design projects. How many ways are there to divide the class into 7 groups if each group has 5 students?

A recreation center holds a game every saturday. The team agreed there should be no less than 5 players. The team had 17 players. After one hour, 3 people started to leave every 5 mins how long can the team play for?