Cho ΔABC có 3 góc nhọn, AB < AC < BC. Các tia phân giác của góc A và góc C cắt nhau tại O. Từ O kẻ OF ⊥ BC, từ O kẻ OH ⊥ AC. Lấy điểm I trên đoạn FC sao cho FI = AH. Gọi K là giao điểm của FH và AI a. Chứng minh ΔFCH cân b. Chứng minh AK = KI c. Chứng minh 3 điểm B, O, K thẳng hàng

Làm giúp mình với mình đang cần

out the mistakes and CIRCLE them. 36. Peter wished that he has gone to the party last week. 37. I sometimes wish that I will have another car. 38. I wish my house were so large as John’s. 39. I wishes you had been at the meeting yesterday. 40. She wishes he will stop interrupting her whenever she speaks. 41. I wish I didn’t say that to him yesterday. 42. I wish I wasn’t absent from class yesterday. 43. I wish my sister will go camping with me tomorrow. 44. She wishes that we didn’t send her the candy yesterday because she’s on a diet. 45. I have a lot of work to do. I wish I have more time. 46. She wishes she could speak English as fluent as her sister. 47. I wish I could make a 20000 miles-undersea trip in a nuclear submarine. 48. I really wish we can make a trip around the world. 49. He got bad marks. He wishes he reviewed his lesson carefully. 50. I wish I didn’t speak to him so severely yesterday.

Cho hình thang ABCD có đáy bé AB và đáy lớn CD. Trên cạnh BC lấy trung điểm M. Nối M với A và nối M với D được tam giác AMD có diện tích là 12,5 cm2 Tính diện tích hình thang ABCD.

Cho 5,5g hỗn hợp muối natri của 2 halogen liên tiếp vào dd AgNO3dư thu được 11,875g kết tủa.Xác định công thức hoá học của 2 muối. Tính thành phần % khối lượng mỗi muối trong hỗn hợp

Thế nào là chính sách " ngự binh u nông " ? Chính sách này có tác dụng gì với thời kì phong kiến việt nam?

Giải hộ giúp mk bài 3 với!!!

Ai giúp mình giải câu 20 -21 với ạ .

giúp với ạ giúp em với ạ Bài 3 ý 2

21. I wish I ___ there for my holiday last year. I didn’t enjoy it. A. wouldn’t go B. didn’t go C. hadn’t gone D. would rather go 22. I wish I _____ English when I was at high school. A. study B. studied C. have studied D. had studied 23. I wish I _____ a computer. A. use B. will use C. can use D. could use 24. They will drink wine at the party. I wish they _____. A. can not B. would not C. had not D. should not 25. I wish I _____ a trip to London last year. A. had taken B. took C. will take D. take 26. I don’t know many people. I wish I _____ more people. A. know B. knew C. have known D. should know 27. I have to work tomorrow. I wish I ______ in bed. A. would stay B. should stay C. stay D. stayed 28. I wish _____ so much. A. I haven’t eaten B. I hadn’t eaten C. I do not eat D. I won’t eat 29. I wish I ____ applied for the job. A. will B. should C. had D. have 30. I wish you ______ something instead of just sitting and doing nothing. A. do B. should C. will do D. would do 31. I wish Sarah ______ here now. A. is B. were C. would be D. will be 32. ______ a car to drive now. A. if I had B. only I had C. if only I had D. better I had 33. What are you going to do next year? – I wish I _____ the answer to that question. A. knew B. had known C. would know D. will know 34. She wishes she _____ a doctor in the future. A. is B. were C. will be D. would be 35. I wish I _____ your wedding, but I was in Paris. A. could attend B. would attend C. attended D. could have attended