Решить уравнение 9х²–7х–2=0

Найти молекулярную формулу алкена, массовая доля углерода в котором составляет 85,7%. Относительная плотность этого алкена по азоту равна 2

Укажіть рисунок,на  якому неправильно вказано  напрямок дії сили Ампера?

Rewrite the sentences from Active Voice into Passive Voice 1) john r r tolkien wrote his famous novel the lord of the rings in 1965 2. In Bangladesh people celebrate New Year in april 3. "our team will win the prize" - said the boy 4. Most people in the country speak english 5. the students use computers at the lessons 6. joseph turner painted this unforgettable landscape 7. the winter will publish his new book next year 8. the girl cleaned the room yesterday 9. i'll collect the books from you - said jim 10. a group of artists organised this oriiginal exhibition 11 their team lost the game yesterday 12. thousansd of tourists visit london every month