Giúp mkvs ( cái phần đầu ở câu hỏi trc)

Một người đi xe đạp từ nhà lên tỉnh hết 2h10p với vận tốc 18km/h. Lúc về người đó đi ô tô nên chỉ mất 30p là tới nhà. Tính vận tốc ô tô?

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giúp e câu này với ạ e đang cần gấp

Cho phương trình ẩn x tham số:$x^{2}$ +2mx+ $m^{2}$ -3m+2=0 (1) a, Tìm m để phương trình (1) có nghiệm bằng 0. Tìm nghiệm còn lại nếu có? b,Xác định m để phương trình (1) có hai nghiệm x1,x2 thoả mãn :x2+2.x1=3

Part1: Give the correct form of the verbs or the words in brakets 1 the (erupt).......of a volcano can be predicted 2. Should English be a (compel)......foreign language in viet nam ? 3. The teacher asked us (not stay).......After class 4. She( not work)..........in the library last night 5. The team Played (bad)..........and lost the match 6. I think we should reuse and recycle bottles and cans to save (nature)........resources 7. Lam (have ).....a headache for several hours 8.if i knew her address, i (tell)......you 9. I dropped my bag when i........for a bus(run) 10 Tet holiday is the most important........ For Vietnamese people (celebrate ) 11. Mid-august Festival is a ...........festival for children (joy) 12. The Internet is a wonderful........... Of modern life(invent) 13. Now the students are playing......... In the school yard( happy ) Part2 each sentence has a mistake. Find the mistakes and correct them 1. When my Family is on holiday, we used to go to the beach every night 2. John wishes he can consult an expert on how to reduce the air pollution 3. My mother adores to cook meals but my sister doesn't Part 4 complete the second sentence so that is has the same meaning as The First one. Use No More Than Four Words 1. The storm destroyed the town complete ==) the town the storm 2. Despite his age, Mr. Thanh runs five kilometers every Morning ==) Even though............, he runs five kilometers every Morning 3. We spoke to the man. He was very humorous ==}the man to ............ was very humorous 4. Would you please change this T-shirt for me? ===) do you mìnd ......for me? Mn giúp hộ mk mấy bài này với ạ Mình cảm ơn trước ạ

Comnlete the sentences with although inspite of becanse/ because of 1_______ it rained a lot, we enjoyed our holiday 2. Daniel forgot his passport_______having it in his list 3.I couldn't get to sleep_________the noise 4.___________I had nothing for lunch but an apple, I ate dinner early 5.A lot of things went wrong_____all our careful plans. 6.She wasn't wearing a coat_______it was quite cold. 7.He only accepted the job_________the very high salary 8.I went home early ________ I was feeling unwell. 9._________I knew the truth, I decided not to tell them. 10.The villagers refused to leave______the drought. 11. We decided not to go out for a meal_______we were simply too tired. 12.Have you really got no money_________you've had a job? 13.Sarah can't climb up the tree_________her fear of heights. 14.Matthew looked quite fresh,_________he'd been playing squash 15___________his age, John was not hired ________he had the necessary qualifications.

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