There are seven people online and each person uses either a blue, black, or red pen to write while working. How many possible combinations can be made? A. 49 B. 28 C. 21 D. 10 A S A P!! I DONT WANT MY

Serefbilge asked May 14, 2022

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Serefbilge asked May 14, 2022

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15 votes

Answer:

21 is the answer for this question may be

Irrational answered May 20, 2022

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