Probably foreshadowing. It doesn't seem to be a flashback or symbolism. Tone doesn't seem right -- there doesn't seem to be an easily picked out tone. So, probably foreshadowing. We all know she dies in the end, here Shakespeare's just saying "hey, she might die, just so you know"
Where things are i would check a text book i i were you
They would be antonyms since they mean opposite things.
You would rather call the number instead of looking for days