martha, lee, nancy, paul, and armando have all been invited to a dinner party. They arrive randomly and each person arrives at a different time. in how many ways can they arrive? in how many ways can Martha arrive first and Armando arrive last
martha, lee, nancy, paul, and armando have all been invited to a dinner party. They arrive randomly and each person arrives at a different time. in how many ways can they arrive? in how many ways can Martha arrive first and Armando arrive last
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