Which of the following is spanish expression for the number 21

Como see llama la familia anfitriona de charlie y sophie

Which one of the following is a trick used in spanish to identify the right hand? touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase b is your mano derecha. touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase d is your mano izquierda. touch the tips of your index fingers with the tips of your thumbs. the hand that forms a lowercase d is your mano derecha.

How many singers (cantantes) are in a trio? hay trece cantantes. hay treinta cantantes. hay tres cantantes. hay seis cantantes.