these are the links to the worksheet. Please help me answer as much as possible. ONLY 4 Problems. Please this is not my homework btw. I am not sure on how to do these although i know the others. ANY help is appreciated.
http://i168.photobucket.com/albums/u191/tazahmed/5326.jpg
http://i168.photobucket.com/albums/u191/tazahmed/5326001.jpg
http://i168.photobucket.com/albums/u191/tazahmed/5326.jpg
http://i168.photobucket.com/albums/u191/tazahmed/5326001.jpg