Permutation:
5! = 5 * 4 * 3 * 2 * 1 = 120
Answer:
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Step-by-step explanation:
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Answer:
B at ordered pair 1, 2, hope this helped
Step-by-step explanation:
During the 9 mile hike he spends 2 periods of half hour swimming = 1 hour.
actual hiking time = 3*3 = 9 hours
So total time = 9+1 = 10 hours