Plz plz plz plz plz plz help

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.

I'm stuck between soy, or estoy. which one is it?

Turn this sentence into a negative sentence using double negation: hay alguien aquí. a. nadie aquí hay b. no hay nada aquí c. nadie hay aquí d. no hay nadie aquí