Determiners and adjectives look similar because they both are placed before a noun. Additionally, both adjectives and determiners provide greater detail to nouns. However, a determiner shows the relationship of the noun to the speaker whereas an adjective describes a quality of the noun.
Definite: El, La, Los, Las
indefenite: Un, Una, Unos, Unas
Answer:
Subject -AR verb endings
él/ella (he / she) -a
nosotros/as (we) -amos
vosotros/as (you all) -áis
ellos / ellas (they) -an
Explanation: