The following homework problems are from the textbook pages 294-296.

• P7.1 (10 points) (a)
  
  
• P7.2 (10 points each) (a), (b)
  
  
• P7.3 (10 point each) (a), (b)
  
  
• P7.4 (10 point each) (a), (b)
  
  
• P7.6 (20 points)