Leçon 6a.1 demonstrative adjectives

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?

Translate the following sentences into french; the colors in the flag represent liberty and equality, and blue and red are also the traditional colors of paris.

What is the fastest way to travel across france? bus plane automobile tgv