Questions asked by Kevin C.

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• Find equation of circle with center on a line y= - x has radius 4 and passes through origin?
  
• Find the equation of circle touching the line x = 2 and x = 12 and passes through (4 , 5) ?
  
• Adam works part time at a fast food restaurant that pay $x per hour while jenny works as a sales assistant in boutique that pays $(X+2) per hour Adam work 8 hour more per week than Jeeny and they each earn $192 a week . find the value of x and the number?