Answers edited by Yiu A.

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