7) There are 15 applicants for four jobs: Computer Programmer, Software Tester, Manager, and Systems Engineer. 9) The student body of 50 students wants to elect a president, vice president, secretary,...

State if each scenario involves a permutation or a combination. Then find the number of possibilities.

Extracted text: 7) There are 15 applicants for four jobs: Computer Programmer, Software Tester, Manager, and Systems Engineer. 9) The student body of 50 students wants to elect a president, vice president, secretary, and treasurer. 11) There are 25 applicants for four Manager positions.