ПЕРЕВЕДИТЕ Пожалуйста!

ПЕРЕВЕДИТЕ Пожалуйста! 1. Many books are known to be published in our country every year.2. The sun is known to represent a mass of compressed gases.3.The helium atom was found to have two electrons.4. The number of unemployed is reported to be decreasing every year.5. The man was seen to take off his coat.6. You seem to be tired .7. He is sure to win the competition .8. He is unlikely to come to the institute today. 9. These documents were considered to have been lost.