Answers edited by Rajarshi B.

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• The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/3t) #. What is the speed of the object at #t = 8 #?
  
• How do you solve #\frac { 9} { 7x + 28} = \frac { 5} { x + 4} - \frac { 2} { 7}#?
  
• Question #1a0dd
  
• Solve the equation 3p/4=6?