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The organizer of a conference is selecting workshops to include. She will select from 5 workshops about chemistry and 10 workshops about biology. In how many ways can she select 4 workshops if fewer than 3 must be about chemistry?
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Mathematics, 21.06.2019 22:00
Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom
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The organizer of a conference is selecting workshops to include. She will select from 5 workshops ab...
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