Составить гомолог и изомер пентена 1

Решите неравенство! подробно 1. -х в квадрате+х -4 меньше или равно нулю)

2.    х в квадрате -10х+25больше нуля 

Из Пассивный залога в  Активного залог:

1) John R.R. Tolkien wrote his fomous novel "The Lord of the Rings in 1965"

2) In Bangladesh people celebrate New Year in April.

3) "Our team will win the  prize", said the boy.

4) Most people in the country speak English.

5) The students use computers at the lesson.

6) Joseph Turner painted this unforgettable landscape.

7) The writer will publish his new book next year.