Найти точки экстремума функции: F(x)=x^3/3+x^2/2-2x-1/3

you... do it now.

1)need 2)must 3)may 4)can

 there is...light in the room because the window is too small.

i haven/t got...time,i/ll help you.

there were ...people in the street because it was dangerous.

did you take...photos in Spain

1)few 2)litlle 3)many 4)much

соотнесите первую часть предложения со второй

we inform you 

Mr.Green said 

i heard from me friend

i bought a newspaper

1)that was sold in the nearest shop

2)that we accepted your proposat

3)that he was glad to meet me.

4)that you need good specialists

площадь прямоугольного треугольника 84 один из его катетов на 2 больше другого найти меньший катет