3a chua hết cho a-1 Giúp mik với

Write an essay : love is the most romantic factor in life. Do you agree or disagree. State your opinion.

Để kéo một thùng hàng 500 kg theo phương thẳng đứng cần ít nhất bao nhiêu lực

giải bất phương trình sau: $\frac{x}{x+1}$ -2$\sqrt{\frac{x+1}{x}}$ <3

III. Give the correct form of the verbs in the brackets to complete the sentences 19. For over 130 years, Akubra hats (make) _____ its legendary stories in Australia. 20. While I (cross) ____the street, I (step) ____on a banana skin and (fall) _____ heavily. 21. If everyone (speak) _____ the same language, do you think life (be) ____ better? 22. Last night I (read) ____ when suddenly I (hear) _____a shout. 23. Canada (share) _____ the longest land border in the world with the United States. 24. At present, the National Cherry Blossom Festival (occur) _____in Washington, D.C. to celebrate spring’s arrival. 25. Ireland (win) ____the Eurovision Song Contest seven times. 26. It (begin) _____to rain when I (plant) _____ some flowers in the garden. 27. When they (walk) ____down the stairs, they (hear) ____a strange noise. 28. Annually, the National Eisteddfod festival of Wales (take) _____place for eight days at the start of August. 29. Lan (practice) ____the piano while her sister (read) _____comics at 7 o’clock last night. 30. I’d probably buy a laptop if you (be) ______the cheaper.

Căn bậc ba trên pascal viết sao vậy mọi người?

Tìm GTNN:D=x ²+2y²+3z²-2xy+2xz-2x-2y-8z+19

Ai giải giùm em môn toán lớp 6 đi ạ

15 phần 34 + 5 phần 21+ 19 phần34 -12 phần 9 + 2 phần 21

IV. Choose the word or phrase which best completes each sentence. Write your answer (A/ B/ C or D) in the numbered box. (4.0 points) 1. My little brother set the table ________ plates, bowls, spoons and glasses. A. by B. in C. into D. with 2. My sister had a baby daughter yesterday and she is my first ________ . A. A. nephew B. niece C. cousin D. relation 3. ________, many teenagers say they don’t like football-one of the world’s most popular games. A. Surprise B. Surprising C. Surprisingly D. Surprised 4. Like Bobby, his wife prefers clothes made ________ silk ________ those of cotton. A. in/ to B. from/ than C. of/ to D. from/ more 5. Always wear goggles as a ________ for your eyes when using the machines. A. protector B. protection C. protect D. to protect 6. Please remove the document________ the glass of the photocopier. A. out B. with C. from D. into 7. Wearing a band over the wrist allows players ________ safely. A. playing B. to play C. play D. plays 8. I hate drinking mineral water. The minerals in the water make it ________ to drink. A. please B. pleasant C. pleasure D. unpleasant 9. I watched a ________ movie last night and I couldn’t sleep. A. scare B. scary C. scaring D. scared 10. ________ tired, I went to bed early last night. A. Felt B. Feeling C. To feel D. Feel 11. She needs ________ how many books there are on the shelf. A. know B. knowing C. to know D. are knowing 12. How many numbers between 10 and 100 are divisible by 5 ________. A. 18 B. 19 C. 20 D. 21 13. Liz liked ________ the dolphin and the color of the cap. A. either B. neither C. both D. none 14. Some people play video games at home. ________ play them in the arcade. A. Other B. The other C. Others D. Another 15. She didn’t play volleyball last week and we ________. A. did, too B. aren’t, either C. don’t, either D. didn’t, either 16. I’m going to a wedding on Sunday. ________ is getting married. A. A friend of me B. A friend of I C. One my friend D. A friend of mine 17. His choice of words ________ good. A. is B. are C. were D. be 18. John: “Hello. Can I speak to Trang, please?” - Trang: “________” A. Speaking. Who’s that? B. What’s the matter with you? C. Hello, John. How are you? D. How do you do? 19. These are my ________ children. A. sister Sara B. sister’s Sara C. sister Sara’s D. Sara’s sister 20. Who is ________of the couple? A. the tallest B. the taller C. taller D. the tall