cho hình thang ABCD có đáy = 27 cm cd = 48 cm ac cắt bd tại o tam giác bdc có diện tích = 96 cm2 tính diện tích tam giác ABC

tạo cho mk avatar và ảnh bìa face 1 cái chữ Thảo 1 cái chữ Nuha đẹp vào nha thanks

21. They are planting some roses in the garden. ................................................................................................................................................ 22. Liz will send these letters to her friends. ................................................................................................................................................ 23. My favorite subject is Math. ................................................................................................................................................ 24. Yes, we do. (We have magazines and newspapers) ................................................................................................................................................ 25. I often listen to music in my free time. ................................................................................................................................................ 26. Yes, he is. (He is good at drawing) ................................................................................................................................................ 27. She learns about computers in computer science class. ................................................................................................................................................ 28. My mother is cooking in the kitchen at the moment. ............................................................................................................................................... 29. Lan likes playing table tennis. ................................................................................................................................................ 30. I go to the movies twice a week. ................................................................................................................................................ 31. They go to the beach on the summer holidays. ............................................................................................................................................... 32. They stay in a hotel. .......................................................................................

complete the gaps in the leaflet with an appropriate verb. be careful- not all of them are modal verbs. An epileptic seizure is caused by a sudden burst of excess electricial activity in our brain. The person often goes stiff, loses conciousness and 1) ......... to the ground. Then they shake or 2) ......... jerky movements. What 3) ..... you do to help them? you 4) .......... put something under their head, 5)......... any tight clothing around their neck, and 6)............ them for further injury, but you 7)............ restrain their movements or 8)........... them wake up. Putting them in the recovery position 9)........... help them to breathe more easily. You 10)........ make a note of the exact time the seizure started. You 11)....... call an ambulance unless the seizure lasts more than two or three minutes, or if the person has a second seizure. Important: You 12)....... ever leave the person on their own : stay with them and reassure them until they 13).......

Ai help mình bài dưới hình với ạ!!

(20 × 2^4 + 12 × 2^4 - 48 × 2^2) : 8^2

cho các từ chỉ các chất và các vật như sau: nồi đồng , chảo nhôm ,cốc nước, bình khí oxi,đinh thép, lắc vàng,thìa bạc, nhẫn kim cương, bút chì. Hãy lựa chọn và sắp xếp thành 2 loại: vật thể và chất

Cho a,b là các số dương và ab=1 . Chứng minh : 1/a +1/b +2/a+b >=3 Chứng minh với a,b,c là các số dương thì: a^2/b+c +b^2/a+c +c^2/a+b >= a+b+c/2 (P/s: chỗ mik cách ra để các bạn ko bị nhầm phần phân số)

Giúp mik vs :333

Mn giúp e mk a lm đúng có ctlhn