AnswersOC27 MATH COLL LIB ARTS-1207350-S2-Maguire-DAquinoSets and Venn Diagrams

Sets and Venn Diagrams Answers

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1
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At the airport, ten people are waiting on standby. Two seats become available, one first class and one coach. How many ways are there to fill the two seats?

A
10
B
20
C
45
D
90
2
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55 99 181,440 19,958,400

A
55
B
99
C
181,440
D
19,958,400
3

64 1,820 43,680

A
64
B
1,820
C
43,680

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