Answers edited by Tom M.

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• What is the Discriminant?
  
• How do you graph the function and its inverse of #f(x)=-(x-3)^2+1#?
  
• Question #1762a
  
• It is question about forces and equilibrium ?
  
• Constant speed vs constant acceleration - When will B catch up A?
  
• Solve sin(θ) tan(θ) − cos(θ) = 1 for 0 ≤ θ ≤ 360?
  
• How do you evaluate #\frac{1}{x^{2}-16}=-\frac{1}{x^{2}-4x}#?
  
• In the diagram, two circles intersect at #B# and #E#. #ABC# is a line parallel to the #FED#. How do you prove that #ACDF# is a parallelogram?
  
• What is calculus?
  
• ABCD is a parallelogram. If m∠DAB = (5x)° and m∠DCB = (x + 52)°, what is the value of x?
  
• Question #3c29b
  
• Question #2a09b
  
• A triangle has corners at #(5 ,1 )#, #(7 ,9 )#, and #(4 ,2 )#. What is the area of the triangle's circumscribed circle?
  
• How do you calculate the density of butane,(C4H10) at STP??
  
• Question #dd25e
  
• A bag contains 6 red apples and 8 green apples. You choose 2 apples. What is the probability of picking a red and green apple without replacement?