Answers edited by Crater M.

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• How do you solve #-84<7c#?
  
• How do you write these expressions as single logarithms? 1. #4 log 2 + log 6# 2. #3log_2 6-2# 3. #5 log 3 - 2 log 8#
  
• How do you simplify #(5x)/(3x^2+19x-14)-1/(9x^2-12x+4)#?
  
• Sonya is walking home from a friend's house. After 2 minutes she is 1.4 miles from home. Twelve minutes after leaving, she is 0.9 miles from home. What is her rate?