Answer:
tu
Explanation:
tu is the informal form of you in Spanish. usted is the formal form of you.
Si con mucho gusto en q necesitas ayuda
6. Viven
7. Escribimos
8. cori
9. salió
10. pagué
11. corristeis
12. (I played guitar in the band)
13. I don’t know this one
14. tocasteis
15. trabajé
Check the little lines and stuff above the letters. Hope this helps!