Weekly Problem 10 - 2007
The square of a number is 12 more than the number itself. The cube of the number is 9 times the number. What is the number?
Weekly Problem 30 - 2014
What is the value of $2006 \times 2008 - 2007 \times 2007$?
Brian chooses an integer and operates on it. Work out the largest integer that he could have chosen.
Weekly Problem 39 - 2009
Can you show this algebraic expression is divisible by 4?