I don't understand 9 sorry but I can help with 10.
1) Los jeans son azules
2) La camiseta es roja
3) Las camisas son amarillas
4) La blusa es negra
5) Los calcetines son grises
6) Las faldas son blancas
Answer:
(Buenos Dias, Como Estas?) that's the audio.
Miguel doesn't sound so formal, in Spanish, we say Usted to show respect to an adult. So I know it's not a teacher, the answer could be that he is talking to his friend.
I'm not so sure about the answer i'm only basing myself in what I know(Spanish is my first language).
Explanation: