tìm gtln của bt sau A=-x^2-4x+7

vẽ chibi nhó , ummm làm thơ nx, ko ép thơ đou thơ ko hay sẽ ko đc hn đou nhá ( trường hợp này cho vẽ đẹp ) còn thơ hay thì...quất luôn

daisy's goal in life,......,is within her grasp this year a/ became a doctor b/ become a doctor c/to become a doctor d/when becoming a doctor

Vẽ luyến trụ ik mn Nl : mất công zẽ nhưng ko sửa đc , còn bị nói này nọ ........ 😢😢😢😢

Bài 3: Cho ΔABC cân có AB = AC = 5cm, BC = 8cm. Kẻ AH vuông góc BC (H thuộc BC) a. Chứng minh: HB = HC. b. Tính độ dài AH. c. Kẻ HD vuông góc với AB (D∈AB), kẻ HE vuông góc với AC (E∈AC). Chứng minh ΔHDE cân. d) So sánh HD và HC. Bài 4. Cho tam giác ABC có AB = AC = 5cm, BC = 6cm. Đường trung tuyến AM xuất phát từ đỉnh A của tam giác ABC. a) Chứng minh ΔAMB = ΔAMC và AM là tia phân giác của góc A. b) Chứng minh AM c) Tính độ dài các đoạn thẳng BM và AM. d) Từ M vẽ ME AB (E thuộc AB) và MF AC (F thuộc AC). Tam giác MEF là tam giác gì? Vì sao?

IV. Fill in with suitable articles (a, an, the): 1. My teacher’d like …………..…… dozen red pens and ………..…….pair of schoolbags. 2. Soccer is my little brothers’ favorite …………..…… sport. 3. There are some oranges but there is only ………..……… apple in the fridge. 4. We would like to travel through out …………..…… world. 5. My brother never goes to………….. school……..……… foot. He always goes………..…… bike. 6. …………..…… vegetables and food nowadays are not fresh and clean. 7. ………..……… People don’t like him because he is selfish. 8. Nam is ………..……… artist. He has ………..……… studio.

Đàng Trong phát triển nhờ yếu tố chính nào

III. Supply the correct tense of the verbs in brakets: 1. Dung’s always (have) ......................................you do her homework? - Yes, she (be) .................................... very lazy and she never (do) ......................................them herself. 2. Phuong Anh (not enjoy) ................................ (play) .................................... soccer and badminton very much, she (enjoy) .....................................(watch) ...................................... cartoons. 3. The students (not look) ...........................................after the flowers in the school garden yesterday? 4. Quynh and Yen (be) .................................. very lazy. They always (do) ........................................... English exercises carelesslly but I (do) ...........................................them quite carefully. 5. The sun (rise) ...........................................in the East? - Yes, it (rise) ........................................... in the East and it (set) ..........................................in the West. 6. The Parkers (eat) ...........................................dinner now? 7. Do you mind if I (open) ..........................................the door? – No, never mind, please do. 8. My parents (need) ...........................................a lot of money to buy a new house in Ha Noi Capital. 9. It (rain) ...........................................very much in the North of Vietnam in the summer? – Oh, yes. 10. Mai (not write) ........................................ her essay at present. She (play) ...............................games. 11. Ha and Linh (not have) ...........................................any apples or lemons in the fridge. She only (have) ......................................... some oranges. 12. My close friend, Luong, (watch) ...........................................televison very late at night. Look! He (watch) ........................................... TV again now. 13. Ba often (swim) ..................................in the river, but now he (go)...................................... sailing. 14. The Bakers usually (play) ...........................................tennis in the afternoon. They (play) ........................................... tennis at the moment. 15. Mr. Nam (ride) ...........................................his bicycle to school everyday, but today he (walk) ........................................... to school. 16. Almost everyone (work) ...........................................very hard every day? – Yes, they ........................................... They work very hard. 17. Who this knife (belong) ...........................................? – It (belong) ......................................to John. 18. My brother often (see) ..................................you and your sister at the supermarket, but you (not see) .........................................him. 19. Mrs. Mai (teach) ...............................you English at school now? – Yes, she (teach).............................. us English and we (love) ..................................her very much. She (be) ......................................a very good teacher of English. 20. Please quiet, please! The babies (sleep) ...........................................in their bedroom now, so don’t (laugh) ......................................!

II. Rewrite the sentences: 1. Their school has 110 teachers and 2600 students. -> There are ………………….............................................................................................. 2. What about going to Huong Pagoda this weekend? -> Why………........................................................................................................................? 3. Mr. Toan is Dung’s father. -> Dung ………………….................................................................................................. 4. How much do these bowls of chichen noodles cost? ->How much are............................................................................................................? ->How much do..............................................................................................................? 5. The work is very hard and he can’t do it. -> This work is too............................................................................................................... 6. Mrs. Hien has a daughter, Lan Anh. -> Mrs. Hien is ..................................................................................................................... 7. What is the width of the Sword Lake? -> How................................................................................................................................? 8. How tall is your eldest brother? ->What…………..................................................................................................................? 9. What is the length of 428 Road? ->How …………..................................................................................................................? 10. How beautiful these days are! ->What…………...................................................................................................................!

Lm giúp mình vs , mình ko bt lm . Các cao nhân giúp vs . Đúng sẽ đc hay nhất ạ