Mi,mis - How to express possession in Spanish

What do you write in front of "calculadora" to express "My calculator" in Spanish?

What do you write in front of "clases (feminine/class)" to express "My classes" in Spanish?

What do you write in front of "libros" to express "Our books" in Spanish?

What do you write in front of "tableta" to express "His IPad" in Spanish?

What do you write in front of "lápiz" to express "his pencil" in Spanish?

What do you write in front of "primos" to express "their cousins" in Spanish?

What do you write in front of "hermano" to express "our brother" in Spanish?

What do you write in front of "proyecto" to express "our project" in Spanish?

What do you write in front of "cuaderno" to express "your notebook" in Spanish?

• tus

• sus

• nuestro

• tu

What do you write in front of "cuaderno" to express "Her notebook" in Spanish?

• tu

• su

• sus

• tus