1)
Why did she say "Elohim Ra'isi Olim Min ha'Aretz"?
1.
Rashi (based on Chagigah 4b): She saw two angels, Moshe 1 and Shmuel. Shmuel feared that he is being called for judgment, and he brought up Moshe with him.
2.
Radak: I saw a great man rising, with his feet at the bottom - this is how I knew that you are Sha'ul (refer to 28:12:1:1).
3.
Radak: Moshe rose with him to request mercy for Yisrael. 2
4.
Radak citing Targum Yonasan: I saw an angel rising from the ground.
