practice tests

• ch2
  
  
• ch3      ch3 solution
  
  
• ch4      ch4 solution
  
  
• ch5      ch5 solution
  
  
• ch6      ch6 solution
  
  
• ch7      ch7 solution
  
  
• ch8      ch8 solution
  
  
• ch9      ch9 solution
  
  
• ch10     ch10 solution