I would choose a hat, because it is stylish and can keep me warm. My opportunity cost would be a ball, because it is useful for boring, lonely days. This is what I would write, Idk if you like it or not.
Answer:

Step-by-step explanation:
They will not ever have the same amount because Adele is most likely $50 ahead of Kent each time.
Answer:
19
Step-by-step explanation:
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21
Answer:
8-2 and 10-3
Step-by-step explanation: