Answers created by CrimsonRain

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• A company puts up a billboard every 4 miles along 432 miles of highway. How many billboards does the company put up?
  
• why is an image clear in a shiny spoon but fuzzy in a tarnished spoon?
  
• How do you evaluate #sin^-1(sqrt3/2)# without a calculator?
  
• How do you determine if # y=sqrt(1-x^2)# is an even or odd function?
  
• How do you solve #5x - 4= 2x - 13#?
  
• Graph the circle defined by #x2+y2=41# ?