Your answer would be cuántos hermanos tienes?
Use the verb “ser” when telling how a noun is (condition) and use “estar” to tell what a noun is (essential characteristics).
The Spanish word for hello is hola
1: el zapato
2: la blusa
3: el vestido
4: los calcetines
5: la sudadera
6: la falda
7: la remera
8:La blusa
9:El sombrero
10: la chaqueta
11:La comunidad
I speak Spanish