French help asap

How do u say hi teacher how are you in french

Ineed some body can answer to me this qs

The noun that corresponds to the direct object pronoun is in parentheses. decide if the following sentence is grammatically correct: mes nieces l'a appele hier matin. (jacques)yes or nothe noun that corresponds to the direct object pronoun is in parentheses. decide if the following sentence is grammatically correct: mon frere l'a conduite hier. (la voiture)yes or no the noun that corresponds to the direct object pronoun is in parentheses. decide if the following sentence is grammatically correct: je les ai trouves dans mon sac-a-dos. (le livre)yes or no