Answer:
5: Permutation. 6: Combination
Step-by-step explanation:
Being that the team of Basketball players are Arranging who will change the water cooler, then the Answer is Permutation.
Mei has homework, and she's deciding which subject to do first. She has a Selection of choices, thus being the Answer- Combination.
Hope this makes sense. If you need clarification, feel free to reach back out to me.