Mathematics
Mathematics, 12.11.2021 03:20, Emmad7843

2.) Of a classroom filled with 20 students, 2 will be selected to stay after school and correct homework for extra credit. How many combinations are possible?
A.) 190
B.) 210
C.) 63
D.) 40

answer
Answers: 1

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2.) Of a classroom filled with 20 students, 2 will be selected to stay after school and correct ho...

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