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Mathematics 20 Online
OpenStudy (anonymous):

You are required to choose two topics from a list of five to write about on your science test. How many different pairings are possible? A.) 10 B.) 20 C.) 30 D.) 60

OpenStudy (anonymous):

\(_5C_2\)

OpenStudy (anonymous):

???

OpenStudy (anonymous):

D?

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