Questions asked by Brandon

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• Solve #x^2-9 = tanx # ?
  
• How to complete the square of: #2x^2+9x+5#?
  
• The mean of 8 numbers is 41 The mean of 2 of the numbers is 29 What is the mean of the other 6 numbers?
  
• In terms of electron gain and loss, and half equations why is Cl2+2NaI -> 2NaCl+I2 a redox reaction? (6 mark question)
  
• How did the introduction of Printing Press, and the involvement of The Royal Society and Thomas Sydenham change attitudes towards the cause of illness and disease within 1500-1700? (12 Mark question at GCSE)
  
• What is the concentration of hydrochloric acid if 0.1m/dm^3 of sodium hydroxide is used, and 32ml^3 is used of it to make the titration occur?
  
• How can we prove that a negative number multiplied/divided/subtacted by a negative gives a positive result?
  
• What was polygamy?
  
• What was the role of the US Army towards Indians, and how did it destroy their way of life??