MathMania 2001 Answers

  1. x = 20 degrees

  2. 368

  3. k = -10

  4. x2 + 6x + y2 - 8y = 0 or (x + 3)2 + (y - 4)2 = 25

  5. x = 4/3 or 8

  6. 427608