giúp mình với ai nhanh nhất mình vote 5 sao và cho câu trả lời hay nhất

M.n giải hộ e mấy bài này ms ạ E cảm ơn m.n

Cho tam giác ABC có M(-1;1) N(1;9) P(9;1) lần lượt là trung điểm của AB, AC ,BC 1.viết ptts và pttq của AB. 2.viết ptts và pttq của đường cao AH giúp mik gấp ạ

Từ khổ thơ 4,5 trong bài “Mùa xuân nho nhỏ” của Thanh Hải em viết đoạn văn cảm nhận về sức cống hiến cho đất nước của các bạn trẻ ngày hôm nay. Không chép mạng tự suy nghĩ vote cảm ơn trả lời nhanh nhất cho câu trả lời hay

Cho điểm O thuộc đường thẳng xy Trên tia Ox điểm lấy điểm a sao cho a = 10 cm trên tia Oy lấy điểm B sao cho OB = 12 cm Gọi I là trung điểm đoạn AB Hỏi I nằm giữa a và o hay b và o

1. ‘Ms. Jones, please type those letters before noon.’ – ‘ They’ve _____, sir. They’re on your desk.’ A. already typed B. already been typed C. been already typed D. already being typed 2. Is the new computer system _____________ next month? A. being installed by people B. be installed C. being installed D. been installed 3. Last night a tornado swept through Rockville. It ___________ everything in its path. A. was destroyed B. was being destroyed C. destroyed D. had been destroyed 4. I think you should _____________. A. have your hair cut B. have your hair be cut C. cut your hair D. have your hair been cut 5. The first question must ___________ before you attempt the others. A. have answer B. answer C. to answer D. be answered 6. The police found two children in the forest. A. Two children are found by the police in the forest. B. Two children found the police in the forest C. Two children were found in the forest by the police. D. Two children was found by the police in the forest. 7. These mechanics are going to repair our car this afternoon. A. Our car are going to be repaired by these mechanics this afternoon. B. Our car is going to repair these mechanics this afternoon. C. We are going to get these mechanics repair our car this afternoon. D. We are going to get our car repaired by these mechanics this afternoon. 8. The passage _______________ out loud. A. has been read B. have been read C. have been readed D. has read 9. The parcel _____________ to him before his birthday. A. will be sent B. will be sented C. will be send D. will been sent 10. Had someone delivered the package before you got to the office? A. Had the package delivered to you before you got to the office? B. Had the package been delivered to you before you got to the office? C. Had the package been delivered to you by someone before you got to the office? D. Had the package been delivered you before you got to the office? 11. They put out all the candles that _____. A. had be lit B. had been litted C. had been lit D. has been lit 12. My bank loan _____ in five years time. A. will be payed off B. will be paid off C. will be paying off D. will paid off 13. _____ to you yet? A. Have the books been given back B. Have the book been give back C. Have the book been gave back D. Have the book being given back 14. They have to hold the meeting in this narrow room. A. The meeting had to be hold in this narrow room. B.The meeting has to be hold in this narrow room. C.The meeting has to be holded in this narrow room D. The meeting has to be held in this narrow room. 15. They showed his photograph on television. A. On television they had his photograph shown. B. His photograph was shown on television. C. His photograph is being shown on television D. The television was shown his photograph.

giúp cho mình làm 4 câu với mình đang cần gấp

LAM HO MINH BAI 4 THOI CON CAC BAI KHAC KO CAN PHAI LAM

Cho tứ diện ABCD có AB vuông góc BC,BD , tam giác BCD vuông tại C. Kẻ BE vuông góc với AC , EF vuông góc AC (F thuộc AD) . Chứng minh: a) CD vuông góc (ABC) b) BE vuông góc (ACD) c) EF vuông góc (ABC)

huhu quá đáng lắm lun á k ai giải hộ bài 6 vs bài 10