Cho csn (u n ) với u 1 = 3, q =-1/2 . a. Tính u 7 . b. Số 3/256 là số hạng thứ mấy Gíup mk trả lời vs ạ

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I- Turn the following sentences into the passive voice: 1.Tom delivers the mail every day ................................................................................................................................................ 2.Fire destroyed that house ................................................................................................................................................ 3. Bob took that book from the desk ................................................................................................................................................ 4. Barbara will eat the cake ................................................................................................................................................ 5. Beth has finished the report ................................................................................................................................................ 6. The police easily captured the thief ................................................................................................................................................ 7. The students attended the lecture ................................................................................................................................................ 8. The movie disappointed us very much ................................................................................................................................................ 9. Mr. John manages the export division ................................................................................................................................................ 10. John returned the money last night ................................................................................................................................................ 11. The teacher corrects our exercises ................................................................................................................................................ 12. They started a dancing class last week ................................................................................................................................................ 13. Mr. Smith saw the accident ................................................................................................................................................ 14. Somebody has taken my briefcase ................................................................................................................................................ 15. The teacher returned our written work to us ................................................................................................................................................ 16. She has finished the report by noon ................................................................................................................................................ 17. The mad dog bit the little boy ................................................................................................................................................ 18. The police have arrested five suspects ................................................................................................................................................ 19. The doctor ordered him to take a long rest ................................................................................................................................................ 20. Lightning struck the house ............................................................................................................................................... Tks!