1/2х-1/3у=1 6х-5у=3 система уравнений

Перефразируй, употребляя слово ALSO

Example:I’ve been to the USA. I’ve been to Canada too.

I’ve been to the USA and also to Canada. (I’ve been to the USA and I’ve also been to

Canada.)

1)I like growing roses. I like growing forget-me-nots too.

2)Great Britain is a beautiful island. Ireland is a beautiful island too.

3)Watching television tonight sounds good to me.Watching videos sounds good too.

4)Spanish developed from Latin. Italian developed from Latin too.

5)English grew from old German. Norwegian grew from Old German too.

6)Going abroad is a good way of learning English. Listening to tapes and reading books is a good way of learning English too.

7)Lilies-of-the-valley belong to spring flowers. Forget-me-nots belong to spring flowers too.

С ПОМОЩЬЮ ЧИСЛА ПИ СОСТАВЬТЕ ВЫРАЖЕНИЕ  В РАДИАНАХ ЛЯ СЛЕДУЮЩИХ  ДУГ  

А)30  Б)45  В)120   Г)90   Д)240   ГРАДУСОВ 

Найдите наименьшее и наибольшее значение функции y=1/3x^3+x^2-3x-4 на отрезке -4 < или = x < или = 2