боковые стороны равнобедренного треугольника равны 10 а основание 12. найти радиус окружности описанной около этого треугольника

помогите подобрать advantages и disadvantages of the music) ОЧЕНЬ НАДО!

3. Решите уравнение: а) 1,8у = -3,69 б) х:(-2,3) = -4,6 4. Представьте числа и в виде периодических дробей. запишите приближенные значения данных чисел, округлив периодические дроби до сотых. 5. Сколько целых решений имеет неравенство |x| <64

He ___________ (work) for a company based in Chile. We ___________ (fly) to Beijing now. He couldn’t come. He ___________(have) a meeting. The new model is slightly ___________ (cheap) than its main competitors. Norway has some of the ___________ (great) reserves of energy in Europe. Aisha ___________ (leave) the company in 1978 to start her own business. How nice to see you! How long ___________ you ___________ (stay)? Recently, there ______________ (be) a drop in unemployment figures. __________ the cost of living __________ (drop) recently? In recent years, we ____________ (cut) the workforce by two hundred. When ___________ you ___________ (leave) your last job? Inflation ___________ (rise) by 0.3% again last month. Last year, we ____________ (lose) our best manager. Motorists ____________ (benefit) from cheaper petrol prices in the last six months.