Problems 3-14
Look for pattern's when using Pascal's trianlge. For example, to do Problem 14 you do
not need to see all 46 rows to be able to state the second entry in the 46th row.
You will also need to use the combination formula:
n choose r is found by n!/[k!(n - k)!].
Note: Homework Hints are given only for the levels 1 and 2 problems.