Составьте уравнение реакций, протекающих по схеме: крахмал->- глюкоза-»-этанол-»-оксид углерода (IV)-—>-крахмал.

Choose the correct answer.
1. I am living in London now. - What does this sentence mean?
a) I have moved to London to stay there for ever.
b) I am in London only for a lmiited period of time.
c) I am going to move London soon.
2. We are meeting Tom tonight. - What does this sentence mean?
a) The action is arranged for the near future.
b) The action is taking place now.
c) The action might take place.
3. I'm working hard at the moment. - Is the sentence correct even if I am not working at the moment of speaking?
a) yes
b) no
4. He is playing football. - Which situation cannot be expressed by present progressive?
a) To express that the match is going on right now.
b) To express that he does not play football regularly, but only for a lmiited period of time.
c) To express that he plays football regularly,
5.Look! The Millers are moving house. - Which of the folloving situations is expressed by the present progressive?
a) They are in the middle of the action.
b) The action is going to take place next week.
c) They will come back to this place one day.

помогите пожалуйста :( на фотографии задания. 

Найдите сумму первых четырех членов прогрессиииии: 6 под кавадратным корнем, 3 под корнем 2 , 3 под корнем 6; .... (геометрическая прогрессия n члена)