Answers created by Mark S.

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• How do I solve for 0º ≤ x < 360º using the equation cos x tan x = 1/2 ?
  
• How was the solar system formed?
  
• How does the covariance between two variables affect the variance of their sum?
  
• Question #3cc2d
  
• How do you write 10y^1/2 in radical form?
  
• What is the sales tax on a $8.50 purchase if the sales tax rate is 6.5?