Answers edited by Ridinion K.

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• How do you write #4.38 times 10^-7# in standard notation?
  
• How do you determine the solution in terms of a system of linear equations for #-5x-5y=5#, #-40x-3y=2#?
  
• Why do people say English is the hardest language to learn?
  
• A 40-liter barrel is full of wine which contains 8% of alcohol. 10 liters of the wine is drawn off and replaced by water. What percentage of alcohol is the mixture?
  
• How do you integrate # (2x-5)^2 dx#?
  
• Someone please help me?
  
• What is the state of matter of water?
  
• Twelve of the fifty dogs in the show were some breed of terrier. What percent is this?
  
• The square root of 63 is?
  
• Is the following sentence missing semicolons or commas? If so, where?: In the first place it was snowing too hard to see the road in the second place we had no chains.
  
• What does it mean if the mean and median of a data set differ greatly?
  
• How do you simplify #(5^4 times 5^7) / 5^8#?
  
• What are examples of gases, liquids, and solids?
  
• How do you write #y - 7 = 4(x + 4)# in standard form?
  
• What is coefficient of the #x^3# term in the binomial expansion of #(4 - x)^9#?
  
• What is 4a + 24 ?
  
• How do you solve by substitution # y=3x# and #x+y=-5#?