Answers created by Zachary R.

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• How do you solve the following system?: `3x +5y =5 , 7x +2y = -2`
  
• What is 91000000 in scientific notation?
  
• How large is an angle whose supplement is three times its complement?
  
• How do you solve `-4x + 7= - 1( 2x - 3.5)`?
  
• How do you solve `-\frac{4}{9} k = - \frac{1}{4}`?