What to talk about with mentor as rising HS senior??

Basically i was denied from a scholarship the foundation liked me enough to give me a whopping 2 mentors. And they’re like , amazing. One’s a ivy graduate in astrophysics and another’s a cool person that works on making sure science is used for good and not bad. Theyre both spectacular women. I have my first meeting with them like tuesday and i have no idea what to say what to do what to ask. I know im gonna ask for general advice about dual majoring since I have a new interest i lack relevant past experience in + advice for an interview I have coming up. But like. Yk. How do i act what do i say, how do i introduce myself…im lost.