Solve the problem.From the letters of the word FACETIOUS groups of 6 letters are formed (without regard to order). How many groups contain F but not C?

A. 2520
B. 21
C. 84
D. 56


Answer: B

Mathematics

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A.

B.

C.

D.

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Find the GCF.p4q5r, p7q2r3

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