Вопрос по физике:

Пожалуйста, помогите решить физику!!!!!!!!!!!!!!!!

Вопрос по литературе:

Вопрос по английскому языку:

Поставьте глаголы в скобках в Present Perfect 

1. He _ (finish) training.

2. She _ (run) fifteen kilometers this morning!

3. Oh, no! I _ (lose) my money!

4. My mum _ (write) shopping list. 

5. Dad, you _ (eat) my biscuit!

6. I _ (not clean) my football boots.

7. They _ (not start) their meal.

8. I _ (not do) my homework.

9. He _ (not win) all his matches this year.

10. My brother and I _ (not see) any films this week.

11. __my brother ___ (invite) many people?

12. ____ he ___ ( wash) his hands?

13. __ we _ ( tidy) our room?

14. ___ you _____ (finish) my homework?

15. __ tourists ___ (visit) New York for three years?

Вопрос по математике:

304-(543-m)=266 789-(x+162)=519 за ранние спасибо и побыстрее !!!!!!!!

Вопрос по физике: