Help please using en chez dans à ou pour

Can someone answer these, i have no idea

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?

Roles of three employees in the agriculture, food, and natural resources cluster are given in this chart. which best describes the pathways of these three individuals? alana works in plant systems, louis works in animal systems, and fred works in natural resources. alana works in food processing systems, louis works in agribusiness, and fred works in natural resource systems. alana works in food processing systems, louis works in animal systems, and fred works in environmental services. alana works in the natural resource system, louis works in food product systems, and fred works in environmental services.