Giải phương trình: $\sqrt[4]{1-x}$ +$\sqrt[4]{2-x}$ =$\sqrt[4]{3-2x}$

IX/ Rewrite sentences, using IF 1. Study hard and you will pass this year's exam.  ............ ................................................................................................................................................................. 2. The weather isn’t fine so we don’t go on a picnic.  ............ ................................................................................................................................................................. 3. The weather wasn’t fine so we didn’t go on a picnic.  ............ ................................................................................................................................................................. 4. The weather wasn’t fine so we stay home.  ............ ................................................................................................................................................................. 5. I don’t go to Paris, I can’t visit the Eiffel Tower.  ............ ................................................................................................................................................................. 6. I do not go because they don't invite me.  ............ ................................................................................................................................................................. 7. I don’t study hard so I often get bad result.  ............ ................................................................................................................................................................. 8. I didn’t study hard so I get bad result.  ............ ................................................................................................................................................................. 9. I didn’t go to Paris, I couldn’t visit the Eiffel Tower.  ............ ................................................................................................................................................................. 10. I did not go because they didn't invite me.  ............ ................................................................................................................................................................. 11. He sends the information we need because he gets my email.  ............ ................................................................................................................................................................. 12. He sent the information we need because he got my email.  ............ ................................................................................................................................................................. 13. He sends the information we need because he got my email.  ............ .................................................................................................................................................................

6) (-2)x + 167 = 89 7) (- 2) . x - 46 = 68 8)3|x+4|=27 9) x + 140 = 74 10) 3x + 140 = 74 11) (- 3) . x - 58 = 32 12)4 |x+3|=28 13) x + 150 = 94

VIII/ Change these active sentences to passive. cái gì được làm (bằng dụng cụ gì), ở đâu, bởi ai, khi nào. 1. Mai’s grandfather is building a house now.  .............................................................................................................................................................................. 2. They were planning a new road near my house.  .............................................................................................................................................................................. 3. The man had cleaned the walls.  .............................................................................................................................................................................. 4. John is going to tell you the news when you arrive home.  .............................................................................................................................................................................. 5. I will have to clean all the windows after the storm.  .............................................................................................................................................................................. 6. I will have cleaned all the windows.  .............................................................................................................................................................................. 7. The army completed that project.  .............................................................................................................................................................................. 8. They take good care of books.  .............................................................................................................................................................................. 9. Do the shop assistants hand the boxes to the customers?  .............................................................................................................................................................................. 10. Does the committee appoint Alice as secretary for the meeting?  .............................................................................................................................................................................. 11. Did Mary give Tom a lot of money?  .............................................................................................................................................................................. 12. Was someone painting her house at 7p.m yesterday?  .............................................................................................................................................................................. 13. Is he buying a lot of books from bookstores?  .............................................................................................................................................................................. 14. Might they have held the meeting?  .............................................................................................................................................................................. 15. Will the army have to finish that project?  .............................................................................................................................................................................. 16. Must they have taken good care of books?  .............................................................................................................................................................................. 17. Has Nam finished his homework?  .............................................................................................................................................................................. 18. Where did you keep your money?  .............................................................................................................................................................................. 19. Who do you send these Christmas cards?  ..............................................................................................................................................................................

mong mọi người giúp e với 2a*4+ 1/1+a*2 > 3a*2 -1

VII/ Passive voice with negative form cái gì được làm (bằng dụng cụ gì), ở đâu, bởi ai, khi nào. 1. The police didn’t ask questions about the thief.  .............................................................................................................................................................................. 2. She isn’t going to write a poem.  .............................................................................................................................................................................. 3. No one changed the window of the lab.  .............................................................................................................................................................................. 4. Tom hasn’t finished the exercises.  .............................................................................................................................................................................. 5. We mustn’t finish the test before ten.  ..............................................................................................................................................................................

Là giúp em với ạ.E đang cần gấp

Ở cột cờ trên sân trường của em có dùng ròng rọc đây là ròng rọc gì? xin lỗi mk ko có ảnh

7-2y=-37-(-26)-y 25-(30+y)=y-(27-8) (y-12)-15=(20-7)-(18+y)

Làm hộ cả tờ giúp mk với hứa sẽ cho 5sao