Trả lời hộ e ạ !! a) -5<x<6 b)-20<x<21

Mọi người giúp mình bài 2 phần tự luận với,mình sắp nộp rồi

( a - c + b ) + ( b - c - a )  - a - b - c ai nhanh nất e sẽ vote 5* nha

một mảnh vườn hình chữ nhật có nửa chu vi là 76m.Chiều rộng bằng 60% chiều dài. a) Tính diện tích mảnh vườn đó. b) Người ta sử dụng 8% diện tích mảnh vườn làm lối đi.Tìm diện tích lối đi

1 Hình nào sau đây biểu diễn đúng trọng lực tác dụng lên vật có khối lượng 5kg? A: Hình 4 B: Hình 1 C: Hình 3 D: Hình 2

I. Fill in the blank with a suitable word. “A Kid in King Arthurs Court” is directed by Michael Gottlieb. The main (1) in the film is a teenager called Calvin Fuller. Calvin is (2)__________Thomas Ian Nicholas. This film is a modern retelling of Mark Twain’s (3) __________book Connecticut Yankee. Calvin lives in California, USA. He is a very shy boy and he is not very good at sports. At the beginning of the film, Calvin is playing baseball when there is a (4) __________earthquake. A hole opens in the ground and Calvin falls through it. He lands in the past, in the (5)__________of King Arthur. Calvin meets King Arthur and Merlin, the wizard. King Arthur is played by joss Ackland and Merlin is played by Ron Moody. They think that Calvin is (6) because he plays them modern music on his CD player and he show them (7)__________to make rollerblades and a mountain bike. Calvin is trained to be a knight and he becomes more (8) __________. Calvin helps King Arthur to beat his enemy, Lord Belasco, and then Merlin sends Calvin back to the future. Calvin finds himself back in the baseball game, (9) __________this time he wins the game. The special effects in A Kid in King Arthur’s Court are very good. Michael Gottlieb is a great director and the actors’ performances are good. The film is funny and (10) __________. It’s a comedy, a drama, and an action film all in one. 1. A. author B. name C. character D. actress 2. A. played B. did C. made D. created 3. A. classify B. class C. classic D. classical 4. A. terrify B. terrible C. terrifying D. terribled 5. A. period B. decade C. moment D. time 6. A. amazed B. amazing C. amaze D. amazes 7. A. what B. whatever C. how D. which 8. A. confident B. confidence C. confide D. confided 9. A. although B. but C. despite D. even 10. A. excite B. excited C. excites D. exciting

5/7+2/3*x=3/10 làm bằng 2 cách nha m.n cảm ơn m.n

I. Choose the underlined word or phrase (marked A, B, C or D) in each sentence that needs correcting. 1. There are many action scenes in this film, so he finds it so gripped and attracting. A B C D 2. They produced the film very well, and it was based in a real story in many years. A B C D 3. She likes the open of the film because it is very impressive. A B C D 4.Although the main characters in that film aren't famous, but their performance A B C D is very good. 5. Despite of the heavy traffic, she still went to the film company in time yesterday. A B C D 6. In spite of awarded a lot prizes in his acting career, he tries to challenge himself A B C to achieve more success. D 7. The director thought the film would make success when it was shown. A B Therefore, it didn't attract audiences a lot. C D 8. When you see signs along the road such as a " Left turning only", you must obey them A B C D 9. They were annoying at the young actor's bad attitude behind the scene. A B C D 10. My parents have an intention of travelling in Japan on the middle of November. A B C D

1. Lý thuyết: Dòng điện là gì? Nguồn điện là gì? Nguồn điện có đặc điểm gì?

III. Read the following passage and choose the best answer for each blank. Minh's hobby is singing. She (1) singing very much. When her brother (2) a karaoke set last month, Minh was so glad that she could (3) every day after dinner. She likes to sing only English songs. In fact, she has already sung all the songs found (4) the karaoke discs. Minh is singing in the karaoke (5) organized by the RC Center this Saturday. Her family is going there to support her. 1. A. invented B. enjoys C. thinks D. hates 2. A. sings B. discovered C. bought D. made 3. A. sings B. sing C. sung D. singing 4. A. of B. about C. under D. on 5. A. competition B. battle C. company D. institution