2. Tìm GTLN của biểu thức sau: a) A = x - x² b) B= -5x² - 4x - 19/5 c) C= -x² + 2xy - 4y² + 2x + 10y + 5

hiệu của hai số bằng 408 tìm hai số đó biết rằng neus xóa số 3 ở hàng ddonw vị số lớn thì được số bé

Chia động từ trong ngoặc 1, if we recycle more , we ( help) the earth 2, factories ( not dump) waste into rivers 3 If (people ) to work by bus , there will be fewer car fumes 4 we ( save) thousands of trees If we ( not wast) paper 5 If we ( use) water carefully , more people ( have) fresh water 6 If I ( know) EL I would study abroad 7 If she ( have) time, she could finish her test 8 I ( run) a way If I saw a ghost now 9 If you invited her . She (come) to the party 10 if my father had a car . He ( drive) to work Các bạn làm giúp mình với nhé ! Mk Vote 5 sao ạ . Mình cảm ơn Lưu yếu ( viết thì mà bạn đã chia cho câu hỏi đó sau câu hỏi )

Ex III: Match 1. pass down a. information about customs 2. visit b. traditional long dress 3. find c. the pagoda 4. worship d. a cake 5. greet e. presents 6. make f. the guests 7. wear g. tradition 8. give h. ancestors

MONG MN GIÚP MIK VS THANK YOU

Xà phòng hóa 14,8g este CH3COOCH3 bằng dd NaOH. Khối lượng muối thu được là

Giải giúp bài 1 cần nộp sớm đc vote 5 sao

Ghi chữ : HEART BROKEN Ghi chữ với màu sắc u tối

Ex1: Choose the word that has different sound in the part underlined: 1. A. c(u)stoms B. l(u)nch C. Febr(u)ary D. cuc(u)mber 2. A. r(o)w B. l(o)vely C. pag(o)da D. m(o)ment 3. a. occa(s)ion B. (s)pecial C. Vietnamme(s)e D. exi(s)t 4. A. str(a)nger B. w(a)it C. n(a)tion D. t(a)lk

EX8.Turn the following statements into reported speech. 1. ''Are you at the sports centre now?'' Lucia's mother asked her. ___________________________________________________________________________ 2. ''What time did you come home last night, Mark?'' said Tom. ___________________________________________________________________________ 3. ''Don't go to the park when it gets dark'', said Mrs. Brown. ___________________________________________________________________________ 4. ''We spoke to your parents yesterday'', said Mr. Quang to Trung. __________________________________________________________________________ 5. ''Can I meet you at 4.30 tomorrow afternoon?'' Minh asked Phuong. ___________________________________________________________________________ 6. ''I'm staying with my aunt and uncle in the suburbs'', said Nga. ___________________________________________________________________________ 7. ''Who do you talk to when you have problems?'' Mary asked me. __________________________________________________________________________ 8. '' I 'll help my mum cook dinner tonight'', said Hoa. ___________________________________________________________________________ 9. ''Tell your teacher what happened'' Jack advised me. __________________________________________________________________________ 10. “My best friend hasn’t called me for one week”, said Nam. ___________________________________________________________________________