Масса 6 одинаковых ящиков печенья равна массе 4 одинаковых ящиков конфет, по 18 (кг) каждый. Найди массу 10 ящиков печенья?

Complete the dialogue with these phrases. There is one phrase (a–f) you do not have to use.

Jenny: What do you want to be when you 1) …?

Mark: I want to 2) … .

Jenny: Really? What do you 3) … for that?

Mark: Well, you have to 4) … and you have to be good at 5)……

a) Maths and Physics

b) have to do

c) get good school results

d) be a pilot

e) I’d like

f) leave school

Вычислите:

a) sin 5x/4

б) tg 7п/6