a.

There are 30 varsity soccer players and 15 varsity volleyball players at a certain college.Ten of these athletes will be chosen randomly for drug testing.How many ways can the group of 10 athletes be chosen?

b. Suppose there are 10 employees at a caf in downtown Hays, Kansas.The boss needs one employee to serve as host or hostess, one to clean tables, and one to supervise the kitchen.In how may ways can these tasks be assigned?