1: A faded line still means negetive for less than 50ng.So any line is good.
2:Should be just your standard 5 panel or possibly 10 panel drug test.
3:This varies depending on the employer.

You look in pretty good shape for being clean. It kind of depends on how important this job is for you. If you really absolutely have to have this job then synthetic urine is the way to go. If it would be nice to have this job follow the dillution sticky for the morning of the test and you should be good.