Can someone do this for me?

Am i correct on 5-8? with my spanish.

Spanish, no translator 1. translate: i have to eat. 2. translate: one must study. 3. to make a good grade, one must pay attention. para sacar una buena nota, prestar atención. 4. to make money, one must work. para ganar dinero, trabajar. 5. translate: maria has to talk.

Que estados de los eeuu les pertenecieron a mexico antes de 1848