giúp với ạ...!!!!!!!!!!!!!!!!!!!!!!

tìm các cặp số (a,b) sao cho 4a5b ⋮ 45

mkl tăng= mkl giảm= mn giúp em với

Viết bài 1 bài văn tả con mèo nha~

Cho tam giác ABC vuông tại A, có AB = 15, BH = 9. Đường cao AH a) Tính AC, BC, AH b) Gọi M là trung điểm của BC. Tính s = ? giúp mình với mọi người ơi

Mọi người giúp em với ạ, em đang cần gấp ạ🙆

giúp mìn với đi mà HỨA VOTE 5# VÀ CTLHN

II-. Write do/ does (not) or am/ are/ is (not) in the blank 1. ……………… the men come to work at 8.00 every morning? 2. He ………….. listening to the radio. 3. ……………… the children coming into the room at this moment? 4. We …………. watch T.V every night. 5. ……………… you studying English? 6. …………..John taking a shower? - No, He ……..taking a shower 7. ……. he learn the new words in each lesson? 8. ………. they playing football right now? 9.……. the students need help with their exercises? 10. The teacher ………….correcting the exercises now.

Viết 1 đoạn văn nghị luận để trình bày luận điểm: " chúng ta không nên học vẹt và học tủ" sao cho đoạn văn ấy vừa có lí lẽ chặt chẽ, lại vừa có sức truyền cảm

1. The wind is blowing hard, so I won’t take the boat out for ride. ……………………………………………………………………………………… 2. I’m sorry I disturbed you. I didn’t know you were busy. ……………………………………………………………………………………… 3. It might rain. If it does, everyone can eat inside. ………………………………………………………………… 4. We don’t visit you very often because you live so far away. ……………………………………………………………… 5. Margaret wasn’t injured in the crash because she was wearing a seat belt. ……………………………………………………………………… 6. I have to work tomorrow evening, so I can’t meet you. ………………………………………………………………………… 7. I don’t know anything about plumbing, so I didn’t fix the leak in the sink myself. ……………………………………………………………………………… 8. Is Matthew going to enter the race ? He’ll probably win it. ………………………………………………………………………… 9. We should have bought that picture five years ago because it would be quite valuable now. …………………………………………………………………………… 10. I feel better now because you talked to me about my problems last night. ………………………………………………………………………………… 11. Carol didn’t answer the phone because she was studying. ………………………………………………………………………… 12. She’s very thin, perhaps that’s why she feels cold so much. ……………………………………………………………………………… 13. He never polishes his shoes, so he never looks smart. ………………………………………………………………………………