phân tích đa thức thành nhân tử a)X^3- 4X^2+8X-8 B)(X^2+Y^2-5)^2 -4 (XY^2+4XY+4) 2phuts thui nhanh lên cần gấp

giúp mk với II. Put the verbs in brackets in the correct verb tense: The Present Perfect or Past Simple. 1. I(visit) our form teacher in the hospitalalready. 2. John(read) the letter from Maryalready. 3. We(notbegin) to learn for the testyet. 4. I(meet) Robert at the supermarket thismorning. 5. Nancy(be) to Vietnam severaltimes. 6. They(notstart) the projectyet. 7. When (your father/giveup) smoking? 8. The motorbike looks clean.(you/wash) it? 9. Tom(call) his bossyesterday. 10. Myuncle(move) to Da Lat in2005. 11. We(go) ………………………to that village to dovolunteerwork severaltimes. 12. We(spend) ---------------------------our summer vacation in HaLongBay lastJuly. 13. Ourteacher(explain) ……………………to us how to usetheprinter already. 14. My pen isn’t here any more.Someone(take)…………………..it already. 15. Thepostman(deliver) the letter half an hourago. 16. Mai(notfinish) her homeworkyet. 17. They(notsee) the film Titanicyet. 18. I(hear) the good news from Mary afew minutes ago. 19. I(notsee) your brotheryet. 20. TheGreens(be) to many countries in theworldsofar. III. Findthewordwhichhasadifferentsoundinthepartunderlined 1. A. better B. prefer C. teacher D. worker 2. A. near B. hear C. dear D. bear 3. A. concert B. concern C. collect D. combine 4. A. picture B. culture C. neighbour D. tourist 5. A. dependent B. enjoy C. absent D. government 5. A. future B. return C. picture D. culture 6. A. first B. girl C. bird D. sister 7. A. burn B. sun C. hurt D. turn 8. A. nurse B. surf C. picture D. return 10. A. hot B. hour C. hotel D. hobby A.PHONETICS I. Choose the word whose underlined part is pronounced differently from the others . 1. A. hear B. near C. fear D. pear 2. A. gather B. monthly C. father D. brother 3. A. favorite B. slight C. fine D. high 4. A. fold B. close C. cloth D. hold 5. A. tooth B. there C. bath D. both 6. A. started B. worked C. waited D. wanted 7. A. fold B. close C. cloth D. hold 8. A. needed B. liked C. washed D. hoped II. Choose the word whose underlined part is pronounced differently from the others . 1.A.bicycle B. exciting C. favorite D. widely 2.A. doctor B. opening C. gold D. poscard 3. A. farther B. earth C. both D. marathon 4.A. fear B. repeat C. idea D. really 5.A.hair B. fare C. prepare D. speaker III. Choose the word whose underlined part is pronounced differently from the others. 1. A. arrived B. watched C. listened D. played 2. A. arrived B. watched C. stopped D. washed 3.A. they B. month C. father D. brother 4.A. ago B. open C. cold D. come 5. A. married B. called C. played D. rented 6. A. started B. worked C. waited D. wanted B.VOCABULARY AND GRAMMAR. I. Choose the correct answer to each of the following. 1.At the weekend we can play a ………. of badminton or join in a football match. A. sport B. game C. match 2.Football is an …………. game. A. outdoor B. indoor C. individual 3. Kien is not very………….. . He never plays games. A. sport B. sporting C. sporty 4. Thanh likes ……………. weather because he can go swimming. A. hot B. cold C. rainy 5. Vietnamese students play different sports and games…… the break time. A. in B. on C. during 6. As it doesn’t snow in Viet Nam, we can not ……………….….. skiing. A. play B. go C. do 7. Many girls and women ………….. aerobics to keep fit. A. play B. go C. do 8. It’s very …………… to swim there. The water is healthy polluted A. safe B. unsafe C. unpopular 9. ……………do you to the gym? - By bus. A. What B. How C. Why 10. What is your favorite …………? I like swimming. A. subject B. game C. sport

Giúp mình bài này vs ạ , cảm ơn rất nhìu ><

BF cắt AC tại K không phải DF cắt AC tại K

Vẽ hai đường thẳng xy và zt cắt nhau tại A @ Viết tên tất cả các cặp góc đối đỉnh B)Cho biewts xÂz=100 độ .Tính số đo các góc còn lại C) vẽ Am là tia phân giáccuar xÂz.Tính mÂy

Giúpppp toánnn mik vssss😿😿😿😿

cot($\frac{\pi}{2}$-3x)=0 cot(x+2)=3 cot(x-$\frac{\pi}{6}$)=$\frac{1}{\sqrt[]{3}}$ cot($\frac{x}{2}$-$\frac{\pi}{4}$)=1

V. Rewrite the following sentences using the provided word and keep meaning as that of the root one. They often ride a bike to school when they was young->They used

Sắp xếp từ đó mọi người giúp em

Exercise 4 Complete each of the following sentences with a suitable verb in the box . keep receive find happen go sit be get make meet 1.Someone will ask you to ____ a secret .