Chứng minh rằng đường thẳng DF luôn đi qua một điểm cố định khi M thay đổi.

Làm hộ mình bài tính này với ạ Trình bày chi tiết nha

14. I rang the door bell, but no one seemed (be) …………………………… at home. 15. It was good of you (explain) …………………………… everything to me. B. Complete the sentences with the verbs in the correct form (gerund or to-infinitive). 1. Don't forget …………. your mother, (phone) 2. I love ……………….… on my own (be) 3. Do you want …………. tonight? (go out) 4. Would you like………….. to the beach this afternoon? (go) 5. I remembered…………………. all the doors but I forgot. …….. the lights, (lock/turn off) 6. Are you planning ………….. on holiday this year? (go) 7. He agreed ………….. me after I wrote him a letter, (see) 8. I enjoy………….. your letters very much, (read) 9. We like………….. here but we miss ………….. to our old friends, (live/talk) 10. I'd like………….. a job with a foreign company, (get) 11. I'm going to learn …………..Spanish before we go to Spain for our holidays next year, (speak) 12. Matthew suggested………….. for a meal but I wanted………….. at home, (go out/stay) 13. I don't like …………..violent films, (watch) 14. When I was a child, I hated………….. in the dark, (sleep) 15. She finished…………... the book but then she decided………….. another one. (write/start) 16. We're hoping…………..………….. the house next week, (finish/paint) 17. Do you miss………….. in the evenings now that you have children? (go/out) 18. I am hoping ………….. at the factory soon.(stop/work) 19. He's very mean - he never offers …………..for anything, (pay) 20. I tried ……………………..sugar in my tea but I didn't like it. (give up/take)

giải thích chi tiết cho mik với cảm ơn

giúp tớ với các cậu ơi tớ cần gấp giải chi tiết nháaa

Muon t ínhdiện tích toàn phần của h ìnhộp chữ nhật ta làm thế naod

thế nào là hiện tượng thứ sinh? cho ví dụ ( giúp mình với lần đầu minh nghe cái này)

Cách chuyển câu bị động dạng câu hỏi với chủ ngữ và chuyển câu ví dụ dưới sang dạng bị động ex: Who is interviewing John?

: Write the correct form of the word in brackets 1. I like cooking in my leisure time. It makes me feel _____. (RELAX) 2. Skateboarding is her hobby. It is also one of the most _______ sports of the teenagers in this town. (POPULARITY) 3. My brother works as a volunteer for an animal protection _______. He really loves his job. (ORGANIZE) 4. My close friend gave me a ____ present on my birthday. (WONDER) 5. I enjoy ____ with friends and going out at the weekend. (SOCIAL)

Có bao nhiêu số thực a để phương trình $\frac{x+ 1}{x - a + 1}$ = $\frac{x}{x + a + 2}$ vô nghiệm ? ( Giải chi tiết )