The answer should be "Perla y Rubí son bonitas".
Explanation:
It should be "son" instead of "es" because there is more than one thing, and "bonitas" because it seems like both are females. (I'm answering based on what I know
of own language, I hope it helps)
Answer:
1) Se necesitan enfermeras.
2) Se prohíbe comer y beber.
3) Se buscan programadores.
4) Se habla inglés.
5) Se venden computadores.
6) Se prohíbe hablar / No se puede hablar.
7) Se necesitar profesor.
8) Se venden libros.
9) Se prohíbe el ingreso
10) Se habla español.
This is a combination between passive voice (used when you don't want to emphasize who or what performs the action) and a reflexive verbs in order to increase focus on the verb.
Check for asentós and how the word is pronounced