tìm m để đường thẳng y=2(m-1)x+2 và parapol y=x^2 cắt nhau tại một điểm (tiếp xúc)

giúp mk vs mk xin các bn giúp mk vs

Choose the best answers. 1. He______________ in this factory for 15 years.    A. works      B. did work    C. is working      D. has worked 2. ____________ a nice picture!    A. What      B. How    C. Which      D. Where 3. What time __________ you go to bed last night? - 9 o’clock.    A. do      B. will    C. did      D. are 4. She enjoys___________ around the world.    A. to travel      B. travel    C. travelling      D. travelled 5. Did Liz _______ any souvenirs in Nha Trang ? - Yes, she did.    A. buy B. bought    C. buying      D. buys 6. How_____________ is this colour TV? - $ 345    A. long      B. many    C. often      D. much 7. Nga learned ____________________ a sewing machine.    A. use      B. using    C. how to use      D. how 8. They_______________ this kind of sea food before.    A. weren’t eaten      B. haven’t eaten    C. didn’t eat      D. don’t eat 9. Hoa doesn’t like coffee and __________________ her sister.    A. neither does      B. so does    C. does too      D. doesn’t either 10. I would like_________________ you about my school.    A. telling      B. tell    C. told      D. to tell Odd one out: 11. A. luggage     B. message      C. creature      D. voyage 12. A. easy     B. tea     C. meal      D. represent 13 A. passage     B. easy     C. begin      D. become Give the correct form of the verbs in the brackets. 14. Two years ago, she (teach)________________ at a village school. 15. Our house (repaint)___________________ next week. 16. He (cut) ______________________ his trees at the moment. 17. He (read) ______________this novel for many times.  Make questions for the underlines of the answers. 18. We stayed in Da Lat for ten days. ____________________________________________? 19. I ate bread and eggs for breakfast this morning. ____________________________________________? 20. It’s about 100 km from Ha Noi to Hai Phong. ____________________________________________? Nhanh và đúng cho mk nhá

Hoàn thành các câu với hình thức chính xác của tính từ trong ngoặc. 1. I was very _____________ in the lesson because our teacher is very _______________ in history. (interest) 2. My friend is a very _______________ sort of person but he hates doing _______________ activities. (relax) 3. Studying for exams is very _______________ I get _______________ when I pen my school books. (tire) 4. We were all very _______________ about the school trip but it wasn’t an _______________ trip at all. (excite) 5. It’s a _______________ book and I’m _______________ every time I start reading it (bore).

hai phân số sau đây có bằng nhau không ? -5 /14 và 30/-84 -6/102 và -9/153

11.The film I saw last night was so _________________that I couldn’t sleep all night. (1 Điểm) A. scary B. scared C. scaring D. sacriest 12.It is _____________ to see elephants racing in the Elephant Race Festival in Dak Lak. (1 Điểm) A. amaze B. amazing C. amazed D. amazement

giúp mình câu 1 với 40 điểm và vote 5 sao nhé đang cần gấp ạ :<

Cho sơ đồ phản ứng sau: 2Al + 3H2 SO4 → Al2 (SO4 )3 + 3H2 . Nếu nhôm đã phản ứng là 5,4 gam, thì khối lượng Al2 (SO4 )3 thu được là bao nhiêu gam?

Giúp mik câu 3 phần đại số câu 1 vs ạ

vẽ hình ko cần thước đo độ thì phải làm như thế nào?