1. Viết số đo dưới dạng phân số thập phân: 3m = dam 9cm = m 12dm = km 95mm = m 42dm = m 4m = km 2. Viết các số đo độ dài ( theo mẫu ) 6m 7dm = 6$\frac{7}{10}$m 9cm 2mm = cm 18km 35m = km

Ai giúp mik giải hai bàu này với ạ :'((😢

Can you help me, please? (Tui là người VN)

`text{Cho ΔABC, trung tuyến AM, có AM=2cm; AB=3cm; AC=5cm}` `text{a) Kẻ ME//AB, chứng minh EM là đường TB của ΔABC}` `text{b) Tính S của ABC}`

a. 20+21+22+...+29+30 b. 2.6.15+81.3.4+24.2

Hãy nêu vị trí của Trái Đất trong hệ Mặt Trời

21. Fifty percent of the pies______________ disappeared. a. have b. having c. has d. was having 22. Everyone on the board of directors ___________ with the planned merger. a. agreeing b. have agreed c. agree d. agrees 23. Success in business ___________ certain strategies that satisfy both the employer and the employees. a. requires b. require c. is required d. requiring 24. Not only the painting method but also the colors ______________ the interest of art critics. a. has aroused b. have aroused c. arouses d. arousing 25. The number of corrections made during the first stage ______________ the charges significantly. a. has influenced b. have influenced c. are influencing d. influencing

Ai giúp hộ mik vs,nhanh lên đi ạ,mik sắp đi hc r

1,trục căn thức ở mẫu 2,Rút gọn biểu thức giúp mình với ạ Bên dưới có ảnh đấy ạ

16. Either Pete or John _____________ helping today with stage decorations. a. are b. was c. is d. were 17. Neither Pete nor his friends ___________ available today. a. were b. are c. was d. is 18. The politician, along with the newsmen, ______________expected to arrive soon. a. is b. be c. are d. been 19. Each of the girls _______________beautifully. a. dances b. were dancing c. dance d. have danced 20. Fifty percent of the pie _____________disappeared. a. have b. having c. has d. was having