Online Self-Tests(E14)

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  1. If x = 15, find the value of 5 × x.

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  (1 point)

  
  

  Answer:

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  2. Evaluate the expression when x = 2.3.

  4.8 + x

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  (1 point)

  
  

  Answer:

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  3. If x = 0.6, find the value of x – 0.27.

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  (1 point)

  
  

  
  
  

  Answer:

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  4. If x = 4, find the value of 132 ÷ x.

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  (1 point)

  
  

  Answer:

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  5. Evaluate the expression when x = 37.

  73 – x

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  (1 point)

  
  

  Answer:

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  6. If x = 31, find the value of x – 18.

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  (1 point)

  
  

  Answer:

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