Homework

https://drive.google.com/a/aetinet.org/file/d/0B1PkJStnOmOidE1YUGxON19XT3ZUQWZqV2NRQVlHTDBVYmY4/view?usp=sharing

https://drive.google.com/file/d/0B1PkJStnOmOiNDRoUjJMVGtjQ3NTR0poSlNYSVNpTDNCc2t3/view?usp=sharing