Answer:
Cierto
Explanation:
The word quantos can be applicated to any <em>plural</em> noun it describes
Ex: Cuantos lapises tienes? is correct, while
Cuantos lapis tienes? would be incorrect
1. si, es ella.
2. si, es mi amiga.
3. si quiero ir.
4. si se vino mi hermano conmigo.
5. si quiero comer
You must refer to a group of mixed genders as masculine.
For example:
Mother = madre
Father = padre
But, parents = padres