Answers edited by Yiu A.

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• How do you simplify # (x-3)(2x-5)-(x+1)(x-6)#?
  
• What is the first term and common ratio for this geometric sequence?
  
• How do you integrate #\pi \int _ { 0} ^ { 2} ( \frac { y + 2} { 3} ) ^ { 2} d y#?
  
• Question #bd4c8
  
• Does probability of type 2 error decrease when probability of type 1 error increases?
  
• How do you solve #t^ { 8} u ^ { 19} v ^ { 6} \cdot t ^ { 37} u v ^ { 0} \cdot t ^ { 8} u v ^ { 0}#?
  
• How do you find #lim (5+6t^-1+t^-2)/(8-3t^-1+2t^-2)# as #t->0#?
  
• How do you solve #20x + 15x + 20( x - 1) + 15( x - 1) - 245#?
  
• What is the area?