Two questions 10 points. for the . i have the answer for the first one but im not sure if its right. dont know the second one though

Conjugations of verbs for the formal "you" in Spanish are the same as for the subjects el and ella; in present tense, they usually end in -a.
The option you have checked is in past tense ("I bought this"); the present tense conjugation is compra.

Usted compra esto.

Again, the conjugation of verbs for the formal "you" in present tense almost always end in the letter "a"; the correct conjugation is estudia.

Usted estudia matemáticas.

Do you like the teacher? yes i like the teacher. yes i like the teacher. no, i don’t like he teacher. yes i like the teacher.