РЕБЯТУШКИ,ПОМОГИТЕЕЕ:) Найти производную функции: f(x)=2cosx+5

Choose the correct answer
1. We usually ... this museum on Sunday
a) are visiting; b) visit; c) visits;

2.The puppies ... milk from the bow now. Don't frighten they
a) drink; b) drinks; c) are drinking

3. Look! The kittens ... with the thread.
a) play; b) Played; c) are playing

4. I always ... books in this library
a) borrow; b) borrows; c) and borrowing

5. The boys ... hockey on the pontano
a) play b) plays c) are playing;

Решите уравнение:                                                                                                                                                                   3(x-5)=2x-7

СЛОВО  ДОРОГА СКОЛЬКО БУКВ И ЗВУКОВ?

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