Mọi người giải giúp mình bài này với ạ cảm ơn nhiều ạ

Đố bạn vịt nào đi bằng 2 chân?

Lớp Một lá mầm gồm những loại cây nào dưới đây? * A. Cây lúa, cây bắp, cây cải. B. Cây mía, cây cà phê, cây chè. C. Cây lúa, cây bắp, cây mía. D. Cây đậu xanh, cây tỏi, cây hành.

Cạnh lớn nhất trong tam giác ABC có Â = 80°,B̂ = 40° là : a.AB b.AC c.BC (giúp với)

Những tác phẩm văn học viết về tinh thần yêu nước của nhân dân ta Các bạn trả lời nhanh giúp mình nha:33 Mình cảm ơn nhiều

1. When the rescue team..........., the fire..........10 and............. 50 people. B. had arrived/ killed/ injured A. arrived/ had killed/ injured C. arrived/ killed/ injured D. had arrived/ had killed/ injured 2. Villagers.................before the volcano ............. B. had already evacuated/ erupted D. were already evacuated/ had erupted A. had already evacuated/ had erupted C. had already been evacuated/ erupted 3. Tsunamis......... when the sea floor suddenly........ . 1 điểm A. is caused/ move B. was caused/ moved C. has been caused/ move D. can be caused/ moves 4...................about the storm that stroke Hanoi last night? 1 điểm D. Did you heard C. Have you hear A. Did you hear B. Do you hear 5. Ann: Where.........you when the earthquake............ ?Nick: I.................... at school. How about you? 1 điểm A. were/ had begun/ had been D. had been/ had begun/ had been B. had been/ began/ was C. were/ began/ was 6. My house, which............in the storm,..........next week. 1 điểm A. was destroyed/ will be rebuilt was destroy/ be rebuilt is destroyed/ is rebuild destroyed/ will rebuild 7.By the time we...........the shelter, some of us...............sick. 1 điểm D. had found/ became A. have found/ became sick B. found/ had become C. had found/ had become 8. Many people ................because of the earthquake last week. 1 điểm C. have injured D. were injured A. did injure B. injured 9. By the time people................... , the storm............... . 1 điểm A. had woken up/ calmed down C. woke up/ had calmed down D. had woken up/ had calmed down B.woke up/ calmed down 10. Hundreds of buildings............when the earthquake............. the city. 1 điểm C. destroyed/ hit D. destroyed/ was hit A. were destroyed/ was hit B. were destroyed/ hit Hơi lộn xộn mong MN thông cảm ạ. E cảm ơn

Giải giúp em phương trình này x(2x-9)=3x(x-5)

Mấy pro não to giúp em câu này. Đầu em chỉ mọc tóc thôi.

Vẽ ảnh ở dưới Cần con gấu+pet chim xanh là đc rồi nha +No Spam +Chữ hay ko kí đều đc(Rừng rule):3

trong bài thơ đoàn thuyền đánh cá huy cận đã trót tả vào ban đêm" có ý nghĩa j