4. Решите уравнение: 4с - 5 - (7с + 8) = 2

помогите пожалуйста

I. Сопоставьте страны и их столицы.

1) England          a) Cardiff

2) Scotland          b) Edinburgh

3) Wales            c) London

4) Northern Ireland    d) Belfast

II. Вставьте правильно местоимения (herself, himself, yourself, myself, ourselves, themselves, itself)

Example: Travis wrote this song by himself.

1) Jack, please clean up your room by__________.

2) Did she draw this beautiful picture by__________?

3) This trip could be dangerous, take care of__________!

4 )When my brother was 3 years old he couldn’t do anything by__________.

III. Вставьте правильно по смыслу слова: tourists, consists of, birthplace, national, festival

1. London is the …… of many famous people

2.Every year twenty million ……. visit Great Britain.

3.The ….. flag of Great Britain is called the Union Jack.

4.The UK ……of four parts.

5.Edinburgh is famous for its annual ……. of Music and Drama.

IV. Translate the words from English into Russian.

1. a quiz                                        6. castle

2. to connect                                7. thrilling

3. to consist of                              8. an exhibition

4. changeable climate                  9. a leading role

5. clover                                       10. an astronaut

на рисунке 73 (стр 40 учебника геометрии) СО = ВО, ∟С = ∟В = 90°, ТО = 7см, ТС = 4 см, ∟СТО = 20° 1) Докажите, что ∆ВРО = ∆СТО 2)Найдите: ВР, ∟ВРО