Mong mọi người giúp đỡ em .mong mọi người giải giùm em

b/ -5. 6. 12 9. 12 -2 5 11 d/ 3 - 8. 9. 8. 12 9.

Cho tam giác ABC có phương trình cạnh (BC): $\frac{x-3}{-2}$ = $\frac{y+1}{4}$ phương trình các đường trung tuyến (BM): $\left \{ {{x=2+t} \atop {y=1-3t}} \right.$ và (CN): x+y-5=0 . Viết phương trình các cạnh AB, AC.

Vẽ tranh cặp đôi đg chiến tranh lạnh hoặc cô gái đg thả thính crush nha

vẽ đậu mầm ,kể tên cho mình 25 người vẽ đẹp mà ko nổi tiếng

1.What (you/do).......at this time yesterday ? 2.Poisonous gases (pump) ........into the atmosphere every day. 3.I'm not used to (walk) ........ so far , no I must stop (rest)..... for a while. 4. If we use engery-saving bulbs, we (save)..... a lot of money. 5.His joke made me (laugh)..... a lot. Giúp mình với mọi người ơi !!!!!

cân bằng phản ứng oxh-khử : FexOy +CO --------> FenOm +CO2 2, Fe3O4 +Cl2 + H2SO4------------>Fe2(SO4)3 +HCl +H2O 3, M + HNO3----------->M(NO3)n +NO +H2O gth rõ từng bước đc khum ạ mơn nhiều hihi

Giúp e làm bài 11 vs ạ ! Em cảm ơn mai đi học rùi hu hu

38. If everybody _________ all the trash in the trash can, the beach will not be so dirty like this. A. put B. puts C. will be put D. will put 39. If she _________ enough money, she will buy a motorbike for her son. A. earn B. will earn C. earns D. earned 40. She_________won the scholarship to study abroad. A. success B. successful C. succeeded D. successfully 41. The air in the countryside is _________ fresher and purer than in the city. A. actually B. actual C. in actual D. usual 42. People talk about the pollution in the city more _________ A. frequent B. frequently C. frequency D. free 43. The girls_______ decided to collect money for the plan. A. final B. finally C. daily D. end 44. The countryside got _______ dirty after the student’s camping trip. A. awful B. awfully C. real D. terrible 45. I felt _______ disappointed because of their bad behavior. A. real B. reality C. really D. realer 46. I want to know why _____ to the meeting. A. didn’t he come B. he didn’t come C. he didn’t arrive D.he not come 47. “Put your books away”, said the teacher. A. The teacher said to us put ours book away. C. The teacher told to us to put our books away. B. The teacher told us to put our books away. D. The teacher said us to put our books away. 48. “Don’t stay up too late, my son”, he said. A. He told his son not to stay up too late. C. He told to his son not to stay up too late. B. He said to his son not to stay up too late. D. He said his son not to stay up too late. 49. “ Do you have a camera?” she asked. A. She wanted to know if I have a camera. C. She asked me if I have a camera. B. She wanted to know if I had a camera. D. she asked me whether I have a camera. 50. “What’s your trouble?” my mother asked. A. My mother wanted to know what my trouble was. C. My mother wanted to know what trouble is. B. My mother asked what my trouble is. D. My mother asked me what was my trouble.

Khái niệm về QH Trả lời nhanh mk tick