считая,что каждый символ кодируется 16-ю битами,оцените информационный обьем в битах следующей фразы в кодировке Unicode :В шести литрах 6000 миллилитров

решите уравнение 

0,7*(x-5)= x -0.1

 переведите пожалуйста.

1) Having been counted, the children started to board the plane. 2) Having been sold, the dress was removed from the window. 3) Having lived in a little village all his life, he found his daughter's city flat too noisy. 4) She closed the door, having left the key in the room. 5) Having been invited to the party, the girls spent all weekend getting ready. 6) Having read the book befor, he decided not to buy it.

Медную деталь нагрели.Изменились ли при этом масса детали, ее объем и плотность.Ответ обоснуйте.