làm giúp em với ạ, e hứa vote 5 sao ạ

Cho 1 ΔABC,đường phân giác trong của góc C và góc B cắt nhau tại I.Qua I kẻ đường thẳng song song với BC cắt AB và AC tại B và E. a.Tìm các hình thang có trong hình. b.Chứng minh rằng hình thang ABCD có tổng độ dài 2 cạnh bên bằng tổng độ dài 2 cạnh đáy. Nhớ vẽ hình nhé!

trong câu có trang ngữ ko : Chạy tới ngôi nhà cháy, xô cánh cửa đổ rầm.

Viết bài văn nói về 1 nhà văn , nhà thơ , hoặc 1 nhân vật lịch sử .

------------------------------------------------- Vẽ Elaina. -------------------------------------------------

1) We (study)...............a very hard lesson the day before yesterday. 2) We (study)................................................almost every lesson in this book so far. 3) We (watch)..........................that television program. 4) We (watch).....................an interesting program on television last night. 5) My wife and I........................................(travel) by air many times in the past 6) My wife and I (travel).................................. to Mexico by air last summer 7) I (read)..................that novel by Hemingway several times before. 8) I (read).........................that novel again during my last vacation. 9) I (have).........................a little trouble with my car last week. 1) We (study)...............a very hard lesson the day before yesterday. 2) We (study)................................................almost every lesson in this book so far. 3) We (watch)..........................that television program. 4) We (watch).....................an interesting program on television last night. 5) My wife and I........................................(travel) by air many times in the past 6) My wife and I (travel).................................. to Mexico by air last summer 7) I (read)..................that novel by Hemingway several times before. 8) I (read).........................that novel again during my last vacation. 9) I (have).........................a little trouble with my car last week. 1) We (study)...............a very hard lesson the day before yesterday. 2) We (study)................................................almost every lesson in this book so far. 3) We (watch)..........................that television program. 4) We (watch).....................an interesting program on television last night. 5) My wife and I........................................(travel) by air many times in the past 6) My wife and I (travel).................................. to Mexico by air last summer 7) I (read)..................that novel by Hemingway several times before. 8) I (read).........................that novel again during my last vacation. 9) I (have).........................a little trouble with my car last week. 10) However, I (have)......................... no trouble with my car since then

Giúp em với Cho tứ diện ABCD gọi M,N,P lần lượt thuộc các cạnh BC,BD,AC sao cho BC=4BM, BD=2BN, AC=3AP a;Tìm giao điểm Q=AP cắt(MNP) b; Tính tỉ số AQ/QD Em cảm ơn ạ!

Các bạn làm giúp mình bài 3 và 4 nhé

Tìm x,y,z biết a. (x^2-1)(x^2+4x+3) = 192 b. x^2+y^2+z^2= x(y+z)

giúp mk vs nhanh vs ak ahihi ahihi]