хорда MN делит окружность радиуса равного 8, на две неравные дуги. Она видна из любой точки меньшей дуги под углом 120 градусов. Какова длина хорды MN ?

Химическому элементу, степень окисления которого в водородном соединении равно -1, соответствует схема распределения электронов в атоме: 1) 2,8,1 2) 2,8,4 3) 2,8,7 4) 2,8,8 Вообще как понять это задание? О.о

x-4y=-6

3x-y=8 

Срочно до завтра!!!!!!!!!

Answer the questions.
1.    What would you have to do if you worked as a dishwasher?
2.    What would you have to do if you worked as a costumed character?
3.    What would you have to do if you worked as a ranger?
4.    What would you have to do if you worked as a cook?
5.    What extra opportunities would each job give you?
6.    Which of these jobs do you find the most / the least exciting? Why?
7.    Which of these jobs do you find the easiest / the most difficult? Why?
8.    Which of these jobs would you like to try? Why?