Here's some hints. If you need more help, let me know :)
Uvagf:
1 - Vg'f abg PO sbe PNetb onl
2 - jub pbhyq lbh urne tbvat gb gur pnetb onl va 02?
3 - jub qvq gur pbzznaqre fnl jnf jbexvat ba gur ebire va uvf ybt? Pbhyq gur ebire ol va gur pnetb onl?