g) x^2 + 7xy + 10y^2 h) x^2 − 6xy + 5y^2 i) a^2 − 7ab + 12b^3 j) x^2 − x − 6 l) x^3 − 19x − 30

Vẽ vegeta ssj đang đấu với goku super saiya 3 và cảnh là núi ạ NL: chúc mừng sn hoidap nha

Các bạn làm câu 18 và 22 giải thích giúp mình với ạ sẽ đc ctlhn và 5*

vegetarianism can be adopted for .... reasons

Tìm x thuộc N biết 16 mũ x bé hơn 128 mũ 4

Các bạn giúp mình với ạ, bạn nào trả lời nhanh + đúng nhất mình hứa sẽ cho CTLHN và 5* ạ

Mong mn giúp e với ạ xem e có làm đúng hay không

IV. Find the mistake then correct it. 1. After turn off the lights, she closed the door and the window. 2. I studied English for six years. 3. Because she stayed up late last night, so she feels tired now. 4. When I came, the whole family is having dinner around the table. 5. A lot of Vietnamese people have the custom to buy sugar cane on New Year’s Eve. 6. While she was dancing, the princess was seeing a witch. 7. I don’t like reading books although it’s boring. 8. The cost of living in the countryside is more low than in the city. 9. In general, putting up a tent is not as difficult than building a house. 10. Harvest is the busiest time of year in the countryside. 11. This cottage is near to the main road than that red one. 12. I prefer read comics in my free time. 13. I think learning languages are very interesting. 14. What place would you like to visit: the mountains or the sea? 15. What is life in a countryside? 16. Under the new regulations, workers have wear protective clothes. 17. When you come to Brazil, you should to tip the waiter 10% of the bill. 18. When we were young, we have to stand in a row to greet guests.

mn giúp mik mấy câu này với, câu c thêm đk b>=0 nha

giúp câu 3 nêu 3 phần tác dụng nhé