A, because como estas is familiar, como esta usted is formal (someone older than you)
Answer:
el
Explanation:
cuaderno ends in o, and the letter o indicates that the word is masculine
the masculine article for words is el
Umm...
Mi Maestro es Bueno. Me gusta sus estratejias
trrust me this was uncomfortable
Answer:
This
Explanation:
This and that are used to point to one object. This points to something nearby, while that points to something “over there.”
