Need help ASAP with 11 and 12

Ineed someone who has either taken the unidad 9 prueba_gramática quiz, or at the very least, knows the passive voice in spanish to answer this question. completa la oración con la voz pasiva con se. the cake was eaten. la torta. there are no answer choices provided, you must simply fill in the blanks. 'se comieron' and 'venta de' are incorrect answers, so do not answer with either.

Los encontramos de 25, 10, 5, etc. centavos. billetes monedas firma el cheque de viajero cajero automático contador endorse

Choose the pronoun that would correctly replace the following subject and type it in the space provided. a guy in your class a0