How many assignments would you have failed withoit hmmm?

Any french speakers? i need some . how would i say 'my oldest brother is very tall, interesting, and good at drawinng.' in french? would it be: mon (i don't know the french word for oldest) frère est très grand, intéressant, et bon à dessin. also, how would i say 'my dad is good at his work' in french?

Explain what has to happen when you use être instead of avoir for the formation of the passé composé? il an english explanation with steps if possible

Translate this to french: hi xavier! how are you doing? i have been taking math and english classes lately. they are both in the afternoon. today i went to dance, and it was fun. till next time!