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ab_tasha ab_tasha
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6 years ago
Carlos is a 45-year-old civil engineer who has never had a migraine headache. His chances of a first migraine are
 
  A) very high.
  B) about 50/50.
  C) very low.
  D) nonexistent.
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tyerglertyergler
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6 years ago
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ab_tasha Author
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6 years ago
this is exactly what I needed
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Yesterday
Thanks for your help!!
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2 hours ago
Thanks
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