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Mathematics 9 Online
OpenStudy (anonymous):

How many ways can a committee chairman choose 4 people for a subcommittee if there are 12 members on the whole committee?

OpenStudy (anonymous):

There are 8 finalists in a debate tournament. Trophies will be given to the first, second, and third place winners. How many possible ways can the trophies be awarded?

OpenStudy (isaiah.feynman):

Because order is not necessary we can use combinations for the first question.

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