Can somebody please help me with this

Fill the blank with a la, a las, a los, or al. carlos no en el parque.

Which letter in the spanish alphabet is pronounced like the letter “e” in the english alphabet? a. e b. i c.v d.j

Which pair of features is relevant when buying a pc? a. memoria ram y servicio de mensajes escritos b. tiempo de duración del contrato y memoria del disco duro c. memoria ram y precio d. ancho de banda y memoria ram