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Calculate the number of permutations or combinations in each problem below.A teacher is creating groups for a project with 3 students in each group out

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Calculate the number of permutations or combinations in each problem below.A teacher is creating groups for a project with 3 students in each group out of a total of 12 students. How many different combinations are possible?How many possible ways can a group of 9 people line up to wait for a music concert?

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