Answers edited by Scott F.

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• Question #1f484
  
• Question #08381
  
• Question #2cd6b
  
• How do you solve the system of equations `y=x+1.75` and `4x-2y=4`?
  
• The sound level at a point is increased by 30 decibels. By what factor is the amplitude increased ?
  
• Question #53d0e
  
• Question #994e2
  
• How do you solve `16n ^ { 2} - 10n + 129= 8n ^ { 2} - 8` by completing the square?
  
• Question #c2c04
  
• Question #5231b
  
• Question #2ce53
  
• Question #26795
  
• `sqrt (t) = sqrt (t - 12) + 2?`solve the radical equations, of possible.