vẽ digi 1 trong 2 pic 😭😭😭😭😭

Tìm giá trị lớn nhất của các biểu thức sau : (Làm hộ em theo cách -dấu “=“ xảy ra khi- với ạ) a, A=30:[(x+2)²+5] b, B=20:[(x-3)²+4] c, C=10:[(x+1)²+2]

giải câu b giúp mik thôi cho hàm số y= -x^2 a/ vẽ đồ thị hàm số trên b/ Chứng minh (d): y=mx-2+m luôn cắt (P) tại hai điểm phân biệt với mọi m khác 0

Giải giúp mình câu 6 và 7 ạ. Mình cần gấp. Rõ ràng nha!

mọi người ơi cho mk cách hỏi lm nhiệm vụ nhóm hay cầy điểm mà ko bị căng thảng ạ Vẽ anime nữ nha.

giúp mk câu 2 nhé!mk cần gấp,ai xong đầu tiên mk cho tlhn

Giúp mình với ak .mình cần gấp ạ

Tại sao ta không nhìn thấy những vật ở trong tủ đóng kín Các bạn ơi giúp mình với mình đang cần gấp

Tính a) (-3/4 + 2/5) : 3/7 + ( 3/5 + -1/4):3/7 b) 7/8 : (2/9-1/18)+7/8:(1/16-5/12)

1. I remember (hear) John promised (come), but now he was nowhere (see). 2. My father continued (smoke) although the doctor advised him (quit) the habit several times. 3. He has arranged (meet) the visitors at the factory. It is necessary that he (be) on time. 4. I have an important thing (tell) you before (give) you this document. 5. She was hesitant (tell) the coach of her problem and she thanked her coach (help) her (deal) with the pressure. 6. Thanks to effective birth control methods, women can delay (have) children and they have more time (take) part in social work. 7. Avoid (make) those mistakes again when(write). 8. We will have our house (repaint). My cousins will come and help us (do) the work. 9. We postponed (make) any decision in the meeting. 10. I'm busy (work). I would rather not (go) out for lunch. 11. African people are used (walk) barefoot so they get very rough skin. 12. She was so nice that he couldn't help (fall) in love with her. 13. I do not mind (help) you whenever I finish (work) on my reports. 14. Jean detested (photographed). She often refused (have) her photographs taken. 15. I happened (see) John (cross) the stress yesterday. 16. The robbers forced the bank manager (open) the safe. 17. Your responsibility includes (take) reservation. 18. What about (walk) home instead of (take) the car? 19. The police recommend (not walk) along that street at night. 20. Neil Armstrong was the first (fly) in a spaceship. Many people still recall (see) the scene when he placed his first step on the Moon.