How did the inca make such precise calculations in astronomy, architectural engineering, and mathematics?

From 1984 by george orwell: discuss the significance and nature of winston's dreams. deconstruct the dream wherein o'brien claims that they "shall meet in a place where there is no darkness" ( 22), and the dream in which winston's mother and sister disappear (26). what are the underpinnings of these dreams? what deeper meanings do they hold? why might the author devote as much time as he does to winston's dreams?

How can you work on building positive relationships?

Which claim does the sentence "teach english and play with children in local orphanages by day and enjoy the sights and new friends by night" support?