Cho hình chữ nhật ABCD .Gọi H là chân đường vuông góc kẻ từ B xuống AC . Gọi M , N ,P lần lượt là trung điểm AB, AH , DC . Chứng minh rằng BN vuông góc NP

Vì sao dân cư tập trung đông ở đồng bằng và thưa thớt ở miền núi ( Hứa vote 5 sao)

Mọi người giúp em bài IV (tờ 1), III (tờ 2) với ạ. Em cảm ơn .

Change these sentences into reported speech "I don't want anything to eat now". →He said...................................... "You are my best friend,Lisa". →Tommy told.............................

quy trình để thực hiện các phương pháp chế biến thực phẩm . mơn rươc

helppppppppppppppp emmmmmmmmmmm với :C

Read the following passage and choose the best answer for each blank. The Vietnamese are known to be polite, hospitable and sensitive. They have a casual and friendly (1) _______. They regard friendship as being very important throughout one’s life. They are always open to visits from friends. Drop-in visits are welcome. The Vietnamese are very (2) _____ to their family. When they (3) _______ you a gift, the Vietnamese will usually speak lightly about it. Even though it is an expensive gift, they may pretend it is of no great monetary value. (4)_____ 4,000 years of civilization, the Vietnamese are proud people who like to recite to a myth that they are descendants of an angel and a dragon. If you happen to be in their homes at meal time, the Vietnamese will probably (5)____ you to sit down and share whatever food is (6)___. Let them know that you enjoy their food is one way in successfully (7) _____a better relationship with them. When they invite you to their homes for a meal, celebration, or special occasion, some (8)_____ usually food, fruits, chocolate or liquors - should be offered to the host's family.

nhận vai An Dương Vương từ đầu đến xin hòa

Giải nhanh, rõ ràng ko spam từ câu 30 đến câu 38

Cho SABCD đều,cạnh đáy a căn 2,cạnh bên 2a .Tính V