The answer is vivo. Because it is talking about yourself and it doesn't say yo but it is implied.
Espero haberte ayudado!
I think it is formal it doesn’t say it formal but it does say the word usted is to show respect so i would say true its formal
C. Tenia exito
<span>De nina Elizabeth siempre tenia exito en la escuela Cada semestre sacaba buenas notas</span>
These hairs function as if their sensors detecting tiny movements even if its an enemy of the insect.
Answer:
AGUA = AGUA
AGUDO = acute
aguELA = Income of the rights on loans consigned in a public document.
AGUDERO = SHARPER