Выдели полный квадрат и реши уравнение x^2-x=-1/4

нужно 4 предложения со словами и словосочетаниями: По-моему, по-вашему, по моему мнению, по вашему мнению, по словам, по сообщению, по мнению.

СРОЧНО!!!!!помогите

Rewrite these sentences in the Passive Voice. 

1)We had warned him the day before not to go too near the canal

He______________

2)You should keep the flowers in a warm sunny place

The flowers_________________

3)You should pay your bill before you leave the hotel

You bill____________

4) We expect students not to talk during the examination

Students__________

вставьте артикль гдз это необходимо

1)having crossed.... Alps....travelers found that they had reached...France at once.

2 They floated down ..... Volga

3.... The united kingdom includes... Great britain and Nothern ireland

4 My train leaves... Waterloo Station at 7.10 p.m

5 .... Pacific is largest ocean on our planet

6.... Volga flows into....Caspian sea

7 show me ... Canary islands on this map please

8 .... lake baikal is the deepest one in the world

9....urals are old and not very hight

10......USA  is.....fourth largest country in the world after......Russia.....canada and.... republick of China 

HELP ME! PLizzzz