срочно надо решить, а то математик задал и сам не понял что задал, но сказал чтоб решил...

какому числу кратно выражение 3(2,4 + 8x)-2(1,1 - 8x) при любом натуральном x

Диагональ трапеции делит её среднюю линию  на два отрезка так,что один из них на 4 см больше другого.

Найдите основания трапеции,если средняя линия равна 14 см.

Use either the infinitive or Gerund of the verbs in the brakets.

1. I have always tried (do) my best.

2. Did you remeber (post) that letter i gave you?

3. Passengers are forbidden (talk) to the driver.

4. I'd love (meet) you when I am next in Athens.

5. I can't help  (wonder) why she never goes out anywhere.

6. Whenever John comes round, I like (cook) something special for him.

7. Dou you mind (answer) the phone for me?

8. Geofrey decided (give) up smoking after suffering from flu.

9. My mother advised me (take) the radio back to the shop, as it was faulty.

10. Samantha really hates (be) surprised.