Answers created by Alexandre C.

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• If an item is originally priced at $212, and is discounted by 39%, what is the new price?
  
• How do you simplify `(1 + 2 sqrt3) /( 1 + sqrt3 )`?
  
• How do you simplify `a^2 times -1`?
  
• How do you simplify `\frac { ( x + 2) + ( x + 2) } { 4x }`?
  
• Someone know how to solve `x/-4=9`?
  
• Circumference for a bycicle is 6.28, what could be the length of a spoke ??
  
• What’s the length of a cube when the volume is 125cu cm?