Mark 14 study questions

Does Jesus imply that the woman who anointed him knew he was going to die? How could she have known? (v 8)

Why does Jesus ask the disciples to follow a man carrying a jar of water rather than just telling them where the room was? (v 13)

Verse 27 is a quotation from Zecheriah 13 v 7. Why does Jesus quote this prophecy here? Does the context of the prophecy have any relevance to what is happening here?

Was Jesus referring to any passages of scripture in particular? (v 49)?