ПОМОГИТЕ!!!!!!!! За решение 50 пунктов!!!! переставте буквы  так, что бы получилось слово: piratoc, derab.

помогите пожалуйста подобрать литературу для проекта по лексике

х(х+1)(х-10)=(х-1)(х-3)(х-5)

(х-1)(х-4)(х+7)=х(х+1)^2

Площадь прямоугольника 20 см2, ширина 4, а длина на 1 см больше.Вопрос:Узнай периметр этого прямоугольника.

Выберите Past Simple или Past Perfect.

1. We ... our lessons by 5 p.m.

a) had done b)did

2. Tom ... to speak last year.

a) learned b) had learned

3. We... about it when his telegram arrived

a) had heard b) heard

4. After tge train ... my friends came to see me.

a) Stopped b) had stopped

5. I ... doing my lessons before my parents returned from the party.

a) finished b) had finished