Giải dùm mình nha cảm ơn nhiều ♥️

Cho tam giác ABC vuông tạiA có đường cao AH cho biêt AH =3cm BH=4cm ,Tính độ dài các đoạn thẳng HC,AB,AC,BC

Giúp em bài này vs ạ, em cảm ơn nhiều

Choose the word whose main stress is different. Question 11. A. satisfied B. socialize C. volunteer D. exercise Choose the best answer. Question 12. What sports do you like_______ in your free time? A. listening B. reading C. collecting D. playing Question 13. Marlene can’t wait _______ to the beach again. A. go B. going C. goes D. to go Question 14. Do many young people fancyin the park ? A. walk B. walking C. to walk D. walked Question 15. When I have the whole day, I like at home with my children. A. to stay B. stayed C. staying D. A& C are correct. Question 16.How much time do you spendleisure activities? A. for B. in C. with D. on Question 17. My sister enjoys . She usually walks around the mall, but not buying anything A. hanging out B. doing DIY C. going shoping D. going swimming Question 18. My sister doesn’t like surfing the Internet, she says it is . A. interesting B. fancy C. boring D. funny Question 19. Mai wants to use her free time for helpful activities so she works as a_____. A. voluntary B. volunteer C. volunteering D. volunteerism Question 20. Louise is very going fishing. She sometimes goes with friends at weekends A. fond of B. care of C. rid of D. tired with Question 21. Mai:”Let’s go to the local open-air market”. -Phuc:“_________”. A. Good idea. B. I’d love to. C. Not at all. D. Yes, of course. Question 22. Nick: “ In my opinion, going out and playing sports are good for you.” _Mi: “____” A. No, thanks. B. No, I don’t C. Yes, I do D. I agree with you

Bài 1. Tìm số có hai chữ số biết rằng khi bỏ đi chữ số hàng đơn vị thì số đó giảm đi 14 lần. Ai nhanh ctlhn+5*+cảm ơn

Chứng minh rằng: (10a + 5)2 = 100a . a(a + 1) + 25 Từ đó em hãy nêu cách tính nhẩm bình phương của một số tự nhiên có tận cùng bằng chữ số 5. Áp dụng để tính: 252; 352; 652; 752

nhanhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Giúp mik vs: 2(x^2+8x+16)-x^2+4=0

Calli: Tokyo revengers Vẽ màu đỏ đen nha, cho bóng nữa nhé Nhân tiện cho hỏi ai thích tokyo revengers k, nếu thích thì đặt ảnh nhóm k nè :)) ?

To many people _______________ (29. MOUNTAIN) seems a very uncomfortable and __________ (30. RISK) sport, full of hardships and dangers. To _______________ (31. ENTHUSE), however, the dangers are accepted in return for the thrill of conquering high peaks. Of course, from time to time, we read of _______________ (32. TRAGEDY) accidents especially when climbers are operating at the limits of human _______________ (33. ENDURE). But if you have the right equipment, a head for _______________ (34. HIGH), good training and you climb within your capabilities, there is no reason why this sport should not be as safe as many other _______________ (35. ACT). Climbers themselves would argue that nothing else brings the same degree of truly _______________ (36. BELIEVE) exhilaration and excitement.