I don't know this please help me.

Read the paragraph and answer the question in a complete french sentence: you may copy and paste the accented characters from this list if needed: àà ââ ää çç éé èè êê ëë îî ïï ôô œœ ùù ûû üü pierre- tu as besoin d’étudier pour l’examen de français? anne- tu as tort, je n’ai pas d’examen de français, j’ai un examen de sciences. pierre- tu veux aller au magasin pour acheter des tee-shirts? anne- oui, j’ai besoin d’un jean et d’une chemise bleue pour le week-end. pierre: moi, j’ai besoin d’un short noir et d’un tee-shirt rouge pour l’école. anne- oh là là! la chemise est chère! mais le jean n’est pas cher. pierre- tu as raison, c’est cher dans le magasin, allons au café boire un soda. pourquoi pierre a tort? (why is pierre wrong? )also, here's the second question based on the paragraph: pourquoi anne a besoin de vêtements pour le weekend?

Can somebody fully explain the “le passé composé régulier et irrégulier avec avoir” thing to me

Sally was visiting france and on a tour with one of her friends that live in paris. her friend, chloe bumped in the someone she must have known and they started talking. sally wanted to ask them is they were friends and how they meet but she forget how to say it it french. how do you say, hi my name is sally, are you friends with chloe in french