Which of the following must Odysseus do to summon the dead? Select all that apply.

1.chant a spell that Circe gives him
2.sprinkle barley on a trench filled with milk, honey, wine, and water
3.promise to slaughter a barren heifer in Ithaca
4.promise to slaughter his best ram for Tiresias
5.pour libations to honor Hades and Persephone