Is it gusta or gustan?

In this morning’s paper maría saw an advertisement for a store that has just opened in santiago. according to the list below which one of the following items would maría not expect to find at this store? maternity clothingmen's pantsbeauty productsdresses

Choose the correct answer to the question. ¿contará miguel el dinero? no, no lo contará. no, no lo contaré. no, no lo contarás. no, no lo contaremos.

How might someone answer the following question? ¿cuándo vamos a la biblioteca? a)voy el martes. b)vas el martes. c)vamos el martes. d)va el martes.