Гипотенуза равнобедренного прямоугольного треугольника равна 12 см. Найдите расстояние от нее до точки пересечения медиан треугольника.

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Раскрыть  скобки, употребляя глаголы в форме Present Perfect, Present Simple,  Past Simple, Past Continuos, Present Continuos

1. She (to be ) fifteen now but she ( to travel) t oover twenty countries.

2. Some years agohe  (to be  )a doctor but he  (to decide) t osee the world.

3. The first time this man( to go) abroad ( to be) three yers ago.

4. I cant go there now, I (to tell) you several times. 

5. Now it ( ot be) the first time she  (to drive) a car. 

6. It ( to seem) to me that somebody just ( yo knock) the door.

7. When he  (to come), his family ( to sit) in the dining-room speaking in a whisper. Why you ( to wgisper)  ?- he asked them. What ( to happen) ? 

8. When she ( to enter)  the room, her daughter ( to draw) a picture.  When she ( t ofinish) drawing, she  (to say) . Look! What a fanny dog I just  (to draw) ! You (to like) it ?

9. You  (to wait) for Beth? - Yes. Why she ( not to come) ?  I (to think) she  (to be )late. 

10. You  ( to know ) what profession he ( to choose) as a career.

11.  You ( to have) money to pay for ticket ? - I (to be ) afraid I ( to forget) my purse at home.

12. we ( to make) some good friends when  (to be ) in France. 

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Термохимия.Теловой эффект, значение теплового эффекта для экзо и эндотермических реакций. внутренняя энергия вещества. энтальпия. термоденамика 

квадрат пересекают 2 прямые линии какой набор фигур не может получиться