B= ( căn 3 x^2y^3)^2.(-2/3xy^2)^3 Chỉ giúp mình câu này với mình đang cần gấp lắm lunmnnn á

Tính giới hạn lim từ x-> 2 (/x^2+5 -3 / x-2)

a) Tìm số a để đa thức 2x^3 - 3x^2 + x + a chia hết cho đa thức x + 2 b) Tìm n để 2n^2 - n +2 chia hết cho 2n + 1 Giúp mình với ạ !

Giúp em với huhu em ko biết làm

1. I can’t go out because it rains (so) ….......................................…………………………………………………… 2. the film is interesting . We can’t see it again. ( so .. that) ….......................................…………………………………………………… 3. Lan doesn’t study hard and she can’t pass the exam.( so) ….......................................…………………………………………………… 4. The house is very old . We can’t live in it. (so … that ) ….......................................…………………………………………………… 5. The lesson is difficult for him to understand. ( so … that) ….......................................…………………………………………………… 6. Because Lan wasn’t here, she couldn’t help us. (so) ….......................................…………………………………………………… 7. We go swimming . The weather is cold. ( but) ….......................................……………………………………………………

Hoànthànhcácbàitậpvàcáccâusauvớithìhiệntạihoànthànhvàquákhứđơn Bàitập 1: 1) The police....................two people early this morning. (arrest) 2) She............... Japan but now she...............back. (go - come) 3) Dan..................two tablets this year. (already/ buy) 4) How many games.................so far this season? (your team/ win) 5)................the CN Tower when you................in Toronto? (you/ visit - stay) 6)....................your homework yet? – Yes, I.................it an hour ago. (you/ do - finish) 7) There...................an accident in High Street, so we have to use King Street to get to your school. (to be) 8) I...............Peter since I...............last Tuesday. (not/ see - arrive) 9) Frank..................his bike last May. So he...................it for 4 months. (get - have) 10) I'm sorry, I..................earlier, but I..................a lot lately. (not/ write - work) Bàitập 2: 1) Peter............... football yesterday (play) 2) They................. the car. It looks new again. (clean) 3) Last year we.................. to Italy. (be) 4) John and Peggy...................... the book. Now they can watch the film. (read) 5) I................. my friend two days ago. (meet) 6) We never…………….... another country before. (visit) 7) She......................... a new car in 2011. (buy) 8) I'm sorry, but I........................... my homework. (forget) 9)............you.................. the game of chess? (win) 10) The girls........................ their lunch yet. (eat) Bàitập 3 1) I.................my keys, so I can't open that door. (lose) 2) Columbus........................in the New World in 1492. (arrive) 3) Nina..........................her leg. She is still in hospital. (break) 4) He............................here all his life. (live) 5) Colin........................for Brazil this morning. (leave) 6) Last winter Robin..........................with his father in the Alps for three days. (stay) 7) Ellen..........................with her left hand. (always/ write) 8) She...............................a language course in Paris last summer. (do) 9)......................anyone...........................yet? (phone) 10) I...............Paul today, but I.................him last Sunday. (see) Bàitập 4: 1) They..................all the new words. They needn't worry about the test. (learn) 2) Three people.................him in hospital last Friday. (visit) 3) Martin................for 50 miles on scenic routes three weeks ago. (cycle) 4) We........................chicken Tandoori before. (never/ try) 5)................you.......................a job yet? (find) 6) Emily and Molly..............each other for more than 10 years now. (know) 7) First he................to the announcement, then he..................to a café for a drink. (listen - go) 8) She…………........late four times this week. (be) 9) What's that lovely smell in here? - Jasmin.....................a yummy cake. (bake) 10) The Titanic..............an iceberg in 1912 and……........within an hour. (hit/ sink)

Giusp mik 3 câu này 1. There are many factors contributing to air pollution. A: Air pollution results in many consequences. B: Factors contributing to air pollution are numerous. C: Air pollution is contributing to these phenomena. D: Air pollution is the result of burning forests. 2.(18) Sa Pa’s love market has become unique in the culture of the Mong and Dao ethnic groups (17) ______ a long time. Due to the distance between the villages, the market meets once a week on Sunday. On the Saturday night, guys and girls from villages come to Lao Cai (18) ______ one another. They talk, sing and (19) ______ different games according to their ethnic groups’ tradition. After the night, many couples become intimate and promise to see each other again on the following morning. Many of (20) ______ become husbands and wives in the spring. That is why the poets in Lao Cai called the market Sapa’s Love Market. The most popular Love Market in Lao Cai is organized in nowhere else but Sa Pa, where it is gaining more and more (21) ______ of not only the ethnic people but also the travelers from many places in the world. A: meeting B: to meeting C: to meet D: meet 3. She usually spends one hour riding to school every day. A: She usually studies in school one hour every day. B: It usually takes her one hour to ride to school every day. C: She usually goes to school by bike once a day. D: It took her one hour to go to school by bike.

No one could build the cottage because it rained heavily.(Because of ......) * 6. Mary went shopping because she wanted to buy some jeans. (Mary went .....) * 7. He is not good at writing essays. (He doesn't ......) * 8. He tried to be honest, but no one believed him any more.(Although ......)

1. Choose the best option (A, B, or C) which has a different sound: A. where B. here C. near 2. We (spoke / speak/ speaks) to our friend last night. 3. (Not/ Do/ Don’t) play football in the street or on the pavement. 4. A person who reports news on TV is a (reporter / film producer / MC) 5. (Where / Who / How often) is your favorite singer? – I like My Tam. 6. Nam gets good marks (but / and / because) he is hard-working. 7. Hoa likes going to the park (and / but / because) Lan likes reading a book at home. 8. ‘Let’s learn’ helps children study Maths. It’s an (educational / popular / entertaining) program. 9. (How many / How much / How long) are you going to spend in Hoi An? – One week. 10. (A weatherman / A comedian / A newsreader) is a person who makes you laugh a lot. 11. We use a (remote control / TV schedule / volume button) to change the channels from a distance. 12. They invite special (character / guests / audiences) to appear in the show

Tỉ số giữa hai số nguyên âm là 3/4.Biết rằng hiệu của hai số là 10, tìm hai số đó. Số bé là?Số lớn là ? Mọi người lm nhanh và đúng giúp mik ạ