При пересечение двух прямых в точке о образовались равные между собой углы.Какова градусная мера каждого угла?

В Complete the sentences with the correct facts from history. to have sixty stars on the American flag, discover America, to put tax on tea, to meet Indians, to become famous as the author of the American Constitution, to go to the New World 1. If Columbus hadn't gone to find a new way to India,... 2. If the English king had been more tolerant, the Protestants... 3. The Pilgrims wouldn't have learned how to plant crops if... 4. The War of Independence wouldn't have started... 5. If Thomas Jefferson hadn't been the US President,... 6. If there were sixty states in America,...

решите уравнение 4 1/3:(2х)=1,3:3

интеграл x^5+x^4-8/x^3+4x dx=

из вазы взяли 4 леденца и 6 ирисок.На сколько меньше конфет стало в вазе?