Mathematics, 03.04.2021 21:20, lashondrascott

The presidents, vice presidents, and secretarytreasurers from each of four classes are eligible for an all-school council. How many ways can four officers be chosen from these representatives? How many ways can they be chosen if the president must be selected from the sitting presidents, the vice president from the sitting vice presidents, the secretary from the sitting secretary-treasurers, and the treasurer from everybody who’s left?

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The presidents, vice presidents, and secretarytreasurers from each of four classes are eligible for...