Christmas 2013 Homework

Here you can find the proposed Christmas homework......
<https://drive.google.com/file/d/0B-AvDkFJA9-DZ3I3MXJaN2lzdjQ/edit?usp=sharing>

And here the key answers for it.....
<https://drive.google.com/file/d/0B-AvDkFJA9-DVG1ac0ZzWmp3cWc/edit?usp=sharing>