Hello all, Im new to this forum and im not sure if this is the right place to post

I need help in solving the following precalculus questions I do understand some of the steps but I always get lost and cannot solve them

Can someone please help me solve them? I really need to do them for tomorrow I hope I'm not asking for much

here's the link to the problems: http://i187.photobucket.com/albums/x...a/problems.jpg

greets, amero