Giải giúp mình bài 1 vs ạ mình đang cần gấp .Hứa sẽ vote 5*

2- He / not interested / buy / new / house. .................................................................................................................................... 3- It / difficult / start / look / Job / his age. .................................................................................................................................... 4- I / bored / doing / same thing / day after day. ....................................................................................................................................

1 cho tập hợp A=(2;4;5) Viết tập hợp B gồm các phần số có tử và mẫu thuộc tập hợp A, trong đó tử khác mẫu 2 tìm sỗ nguyên x, y a/ x/9 = 5/3 b/-3/4 = y/20 c/4/-5 = -12/x d/ -y/9 = -16/36 e/x/8=2/x f/x+1/-4 = 1/2 ai làm cho 5 sao và cảm ơn nếu tốt cho hay nhất mấy anh chị cứu em em đang chạy đua với thời gian em đang chốn mẹ em đang tìm clb sắp đóng cửa giúp em đi mà

1.1: Put the following past form of the verbs into the table below,belong to the pronounciation of the ending “ed”. Lived, rented, helped, returned,talked needed, walked, moved, decorated, arrived, collected, visited, improved, stopped, washed. Answer: /id/ /t/ /d/

Xã điểm! Luyến Lưu là gì?Giải thích?

Mọi người giúp mình làm phần nhận xét với ạ

1. Mark letter A, B, C or D on your answer sheet to indicate the best sentence that can be made from the cues given. engine/ car/ need/ clean/ once/ month/. A: The engine of the car needs cleaning once a month. B: The engine for the car need to clean once a month. C: The engine with the car needs to be cleaned once a month. D: The engine of the car needs to clean once a month. 2. Mark letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. A: habit B: delighted C: music D: pressure 3. Mark letter A, B, D or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. I prefer talking face to face to talking in the phone. A: talking B: face to face C: to D: in 4. Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. Ian didn’t know how to water-ski, but he tried to do it. A: Although Ian tried hard, he didn’t know how to water-ski. B: Although Ian didn’t know how to water-ski, he tried to do it. C: Ian didn’t water-ski because he didn’t know how to. D: Ian didn’t try to water –ski because he didn’t know how to do it. 5. Mark letter A, B, C or D on your answer sheet to indicate the best sentence that can be made from the cues given. many/ place/ the world/,/ people/ used/ dye/ cloth/ nature/ material/. A: In many places in the world, people used to dye cloth with nature materials. B: In many places in the world, people used to dyeing cloth by natural materials. C: In many places in the world, people used to dye cloth with natural materials. D: In many places in the world, people used dyeing cloth by natural materials. 6. Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A: stress B: relaxed C: event D: helpline 7. Mark letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A: confident B: cognitive C: face D: creative 8. Mark letter A, B, D or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Minh is interested in basketball, but he isn’t enough tall. A: is B: in C: basketball D: enough tall 9. Mark letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. I used ________________ to school but now I cycle to school. A: walk B: walking C: to walking D: to walk 10. Mark letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. A: behave B: wonderful C: prepare D: tradition 11. Mark letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. The Internet is a vast _______________ of computers, all connected together. A: supply B: resource C: network D: discovery

Bài 1: Cho parabol (P) : y=x ^2 và đường thẳng (d) : y=x+2. 1, Chứng minh rằng (d) luôn cắt (P) tại hai điểm phân biệt A và B 2, tính diện tích tam giác OAB Bài 2: Cho parabol (P) : y=x^2 và đường thẳng (d) : y= (2m+2)x - m^2 -2m. Tìm m để (d) cắt (P) tại 2 điểm có hoành độ x1 và x2 sao cho: 2x1+x2=5 Giúp e với ạ

Đốt cháy 11,2 lít khí hiđro trong bình chứa 10,08 lít khí oxi a. Sau phản ứng chất nào dư? Dư bao nhiêu gam? b.tính khối lượng sẩm phẩm thu được? c. Tính khối lượng kali pemanganat cần dùng để điều chế được lượng oxi dùng cho phản ứng trên? Các thể tích khí trên đều ở điều kiện tiêu chuẩn?

Tím số tự nhiên n có hai chữ số biết 2n+1 và 3n+1 đều là số chính phương