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giúp em với ạ 1.Điểm M(-1,-2) thuộc đồ thị hàm số y=mx^2 khi giá trị của m =: A. 4 B. 2 C. -2 D. -4 2. giữa P:y=-1/2*x^2 và đường thẳng d:y=2x-2 có vị trí tương đối sau: A. d cắt P B. d vuông góc P C. d tiếp xúc P D. không cắt nhau 3.điểm thuộc đồ thị hàm số y=-1/3*x^2 có hoành độ = 3 A. N(3;-3) B. P(3;3) C. Q(9;3) D. M(3;-2) 4.tọa độ giao điểm của đường thẳng (d):y=x và (P):y=-x^2 là: A(-1;-1) và (0,0) B(1;-1) và (-2;-4) C(0,0) D(-1,-1)

Viết một đoạn thuyết minh về quê hương em cà mau

Cho a/b =b/d chứng minh rằng a^2+b^2/d^2+b^2=a/b

Phần lớn các hoang mạc phân bố ở đâu?

Quan sát hình, giải thích sự biến động số lượng của các sinh vật trong quần xã qua hình

Ở ô E2 gõ = (9+3)/2 +(7-5)^2*2 kết quả là

IV. Give the correct form of the verbs in the past tense. 1. do 11. buy 2. teach 12. have 3. send 13. take 4. spend 14. go 5. begin 15. make 6. cut 16. think 7. put 17. see 8. give 18. eat 9. write 19. sing 10. be 20. wear V. Arrange the verbs pronouncing “ed”. listened wrapped painted raised looked needed visited rained watched opened helped seemed learned practiced stopped remembered worked rented arrived talked lived liked invited received washed /id/ /t/ /d/ XI. Fill in the blank using the words in the box. Turn left Come in Don’t wait Don’t forget Stop the car! Help me! Have Don’t listen Pass Don’t be late! Open Come Catch Take 1. Ex :Don’t wait for me. I’m not coming tonight. 2. an umbrella with you. It’s raining. 3. a rest. You look tired. 4. at the end of the street. 5. I can’t swim! 6. to take your passport. 7. There’s a mouse in the road. 8. to my cocktail party, please. 9. your books at page 15. 10. the salt, please. 11. to that record. It’s terrible. 12. The train leaves at 8 o’clock. 13. and have a glass of lemonade. 14. the first train in the morning XII. Rewrite the following sentences, using the structure of imperative. Ex: You should go to bed early. Go to bed early. You should not stay up late. Don’t stay up late. 1. You should brush your teeth after meals. 2. You should not play soccer in the street. 3. You should wash and iron your own clothes. 4. You should not eat too much candy. 5. You should wash your hands before meals. 6. You should not worry about the examination. 7. You should tidy your room every day. 8. You should not forget to write to your parents. Giúp mk vs

Mọi người ơi giúp mk câu này vs mk cần gấp lắm rồi, cảm ơn mọi người nhiều

1/he is a famous...in the world(science) 2/the sky is very....It's going to rain(cloud) 3/If we use pesticide on vegetables,they will become...(poison) 4/i hope we heave...weather for our holidays(sun) 5/the ocean is polluted because raw sewage is pumped...into the sea.(direct)