Ai giúp mk vs mk rất rất cần gấp

tìm x biết a)x ∈ 18;x ∈ 30 và 0<x>100 b)120 ∈ x;90 ∈ x và 10<x>20 giúp mình vs ạ

giuos mình với mọi người ơi Hãy so sánh quá trình phát triển ở động vật không trải qua biến thái và phát triển ở động vật trải qua biến thái hoàn toàn. Ý nghĩa của mỗi hình thức phát triển đó ở động vật?

$(13-4$ $\sqrt{3}$ $)(7+4$ $\sqrt{3}$ $)-8$ $\sqrt{20+2\sqrt{43+\sqrt{24\sqrt{3}}}}$

giúp mk với các bn giỏi ơi bài 9

Mn giúp tớ đc ko tớ rất rất cằn gấp

Giúp mình hình 2 với mọi người

Giúp mik nha mik vote 5 sao cho

1. _________ Tom was unable to see anything, he knew some one was in his room. a. A. Because B. In case C. If D. Even though 2. ___ he was late, he stopped to buy a sandwich. a. A. Despite B. Although C. In spite of D. When 3. He went to work everyday_____he was very ill. a. A.even though B.because C.but D. in spite of 4. ___________the weather was fine , we postponed the flight to Nha Trang . a. A.Because B.Because of C.Although D.In spite of 5. She went to work in spite of she felt ill. a. A B C D 6. Despite she was in her middle age, she looked very graceful and charming. A B C D 7. _____ it was raining heavily, he went out . a. A. In spite B. In spite of C. However D. Although 8. _____ my father is old, he still he goes jogging. a. A. Although B. Since C. Despite D. In spite of 9. He refused to give up work _______ he’d won a million VND. a. A. despite B. as though C. even though D. however 10. We turned off the radio ___ the boring program. a. A. because B. because of C. however D. In spite of 11. ___ I sympathize with your point of view, I cannot accept it. a. While b. Although c. But d. a or b 12. Although she felt jealous, she tried to hide her feelings. A. Despite feeling jealous, she tried to hide her feelings. B. Despite her jealousy, she tried to hide her feelings. C. She tried to hide her feelings in spite of she felt jealous. D. A & B are correct. 13. He kept on working though he was ill. a. A. In spite of was ill, he kept on working. B. In spite of being ill, he kept on working. b. C. Despite his illness, he kept on working. D. B & C are correct. 14. Although Tom took a taxi, he was still late for the party. A. In spite of Tom took a taxi, he was still late for the party. B. Tom was still late for the party in spite of taking a taxi. C. Despite took a taxi, Tom was still late for the party. D. B & C are correct. 15. ____ the dolphin lives in the sea, it is not a fish – it’s a mammal. a. A. Whether B. So that C. Although D. After 16. ____ a headache, he enjoyed the film. a. A. Although B. In spite of C. Because of D. However 17. My sister will take the plane ____ she dislikes flying. a. A. because B. so that C. although D. before 18. We took many pictures ____ the cloudy sky. a. A. despite of B. even though C. despite D. because 19. ____ both his legs were broken, he managed to get out of the car before it exploded. a. A. Because B. Although C. So that D. Where 20. We understood him ____ he spoke very fast. a. A. because of B. though C. in spite of D. despite 21. “I have tried hard but cannot earn enough money.” Means .................... a. Although I have tried hard, I cannot earn enough money. b. I have tried hard and so I cannot earn enough money . c. I have tried hard so that I cannot earn enough money. d. I have tried hard to I cannot earn enough money. 22. I could not eat _______ I was very hungry. a. even though b. in spite c. despite d. in spite the fact that 23. In spite _______, the baseball game was not cancelled. a. the rain b. of the rain c. it was raining d. there was a rain 24. _______ he had enough money, he refused to buy a new car. a. In spite b. In spite of c. Despite d. Although 25. _______, he walked to the station. a. Despite being tired b. Although to be tired c. In spite being tired d. Despite tired 26. The children slept well, despite _______. a. it was noise b. the noise c. of the noise d. noisy 27. She left him _______ she still loved him. a. even if b. even though c. in spite of d. despite 28. _______ her lack of hard work, she was promoted. a. In spite b. Even though c. In spite of d. Despite of 29. _______ they are brothers, they do not look like. a. Although b. Even c. Despite d. In spite of 30. Our new neighbors are quite nice _______ they are sometimes talkative. a. despite b. in spite of the fact c. though d. as though 31. _______ of the difficulty, they managed to climb to the top of the mountain. a. In spite b. Despite c. But d. Although 32. In spite of his hard work, he could not finish the job. a. As hard as he work b. Despite he worked hard c. Though he worked hard d. Although hard work 33. Julie failed the exam _______ of working very hard. a. despite b. in spite c. None d. though 34. John rarely sees Paul _______ they live in the same town. a.None b. despite c. in spite of d. although 35. _____ he is the boss, he does not find solutions to problems very easily. a. Although b. In spite of c. NOne d. Despite

Cho tam giác ABC nhọn, các đường cao AD,BE,CF cắt nhau tại H. a) Chứng minh: Tam giác ABE và tam giác AFC đồng dạng =>AF.AB=AE.AC b) Chứng minh góc AEF= góc ABC c) Cho AE=3cm, AB=6cm. Chứng minh: Diện tích tam giác ABC=4 diện tích tam giác AEF d) Chứng minh: AF/FB×BD/DC×CE/EA=1 Giúp m với mình vote 5⭐