Стороны треугольника равны 6, 7 и 8. Найдите косинус угла лежащего против большей стороны

Past Simple:

Yesterday he ...(return) home only at 3 :30.

He ..(be) tired.

….he (buy) her a present yesterday?

They ( not have) time to finish this task.

He (turn) off the light and ..(go) to bed.

Last spring the flood (destroy) half of the town.

My office (not have) a beautiful view.

...(he go out) somewhere tonight?

Alison (invite) all of Natalie's friends.

What ….( you do) yesterday?

на книжную полку ставят 6 разных книг сколькими способами эти книги можно разместить на полке?

Covent Garden is a famous ... centre in London. There is a historic... Place here. They sell a lot of...in Covent Garden. You can buy there any...you like.