Mary is employed by a multinational firm, and works long hours on a desktop computer. recently, she experienced back pain and visited her doctor. which of these is a guideline that the doctor would advise mary to follow?

It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, here is the answer. Since Mary is employed by a multinational firm, and works long hours on a desktop computer and has recently experienced back pain and visited her doctor, the guideline that  the doctor would advise Mary to follow is this: SIT BACK ON THE CHAIR. Hope this helps.

Yes and no because if you know the vocabulary used you will understand it and go faster but you might not need it

Answerto get this answeer, i had to watch the movie: )///(hatchets) is the answer : )