Answer:
The answer is ( x - 7)² + ( y - 8)² = 121
Hope this helps.
Http://teachingamericanhistory.org/lessonplans/act1/
this link should help you
When it's just sitting alone, high in the night sky, the moon just looks"regular" sized. It's the Ebbinghaus effect
Bob is just a human like us and feels stuff, its probaly due to his environment and pressures/stress but heck who really knows. Bob is Bob. and that is that.