How does julia slip winston a note (1984)?

Why is “playing it cool” laced with irony for starr? the hate u give

Kyle and his brother have a marble set of the marbles 12 are blue this represent 50 over a hundred of all the marbles what decimal is equivalent to 50 / 100

Which two sentences in this excerpt from the time machine by h.g. wells suggest that the morlocks possesses a degree of intelligence comparable to that of humans