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Mathematics
OpenStudy (anonymous):

A music class of 8 girls and 7boys is having a recital. If each members is to perform once, how many ways can the program be arranged if? A). All girls must perform first B). A girl must perform first and a boy last C). Elisa and Doug will perform first and last

OpenStudy (anonymous):

A) 8! x 7! B) 8 x 7 x 13! (8 for first spot, 7 for last, 13! for the rest of them) C) 13! (for everyone else, first and last positions are set)

OpenStudy (anonymous):

thnx :D

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