Questions asked by Sherri

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• How do ionic equations work?
  
• In terms of collision theory, why do fridges keep food fresher for longer?
  
• How to find the nth term of a sequence?
  
• Working with logarithms?
  
• B is on a bearing 36 degrees from A and 8.4km from A. C is on a bearing of 147 degrees from A and 13.2km from A. How to find: (i) BC? (ii) the bearing of C from B?
  
• How do you integrate fractions?
  
• How do you solve more difficult simultaneous equations which involve indices?