The museum is far from the house
is lacking of "¿?" signs but it should mean "is it close or far from the school, your house?"
"far from my house"
The given example makes no sense, and literally means "this [one] far." A corrected example, "Está lejos," makes sense, and means, "He/She/It is far."
i think u mean 'esta es su casa?' It's basically asking u 'whether this is ur home'
"This morning I left my house."
at what time are you at your house with your family.
It means: In which town is your holiday home?
Do you know if Mike is at home? It could also mean, You know if Mike is at home.
"Ya no me vienes a visitar. Venga cuando quiera. Esta es su casa, okay" is Spanish for: "Don't come visit me anymore. Come whenever you want. This is your house, okay?"
'mia' (with an accent on the 'i) means 'mine' relating to a feminine noun, e.g. esta casa es mia = this house is mine
Museo means: museum.
you are far