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Inequalities

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  In ancient Greece, people used letters of their alphabet as numbers. A mark after a letter showed it was being used as a number.
  

  According to this table, which of these statements is true?

  
  

   

  

   

  

   

  

   

  

  
  
  

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  Lisa earns $5 for each hour that she baby-sits. Which inequality describes the number of hours, H, Lisa will have to baby-sit in order to earn at least $35?

  
  

  H > 7 hours

  H ≥ 7 hours

  H < 40 hours

  H ≤ 40 hours

  
  
  

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  Which graph represents the values of x that will make the inequality 2x < 12 true?

  
  

  

  

  

  

  
  
  

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