Tìm GTNN của A = x^2 - 4x + 5 B = x^2 + y^2 - 2x + y + 13 C = (x - 1) × (x + 2) - 17

Giúp em với Wh - questions 1. She bought a house last night. ……………………………………………………………………………………… 2. Mr Green takes his children to town every week. ……………………………………………………………………………………… 3. My mother gave me many pens. ……………………………………………………………………………………… 4. That driver stayed in bed because he had a cold. ……………………………………………………………………………………… 5. He lives in Paris. ……………………………………………………………………………………… 6. There were ten pens on the table. ……………………………………………………………………………………… 7. They told us about that story last week. ……………………………………………………………………………………… 8. She goes to the cinema twice a week. ……………………………………………………………………………………… 9. Tom often goes to school by bus. ……………………………………………………………………………………… 10. This new car costs $34,000.

schools_________are experiencing a shortage of teachers (nation)

một nửa ruộng hình chữ nhật có chu vi là 480m,chiều dài hơn chiều rộng là 4 dam. tìm diện tích hình chữ nhật

Hàm số bậc nhất là gi? Đồng biến của hàm số bậc nhất? Nghịch biến của hàm số bậc nhất Chính xác và chi tiết nhất hộ nha.

anh/chị giúp em 2 câu này với ạ

The (A) Jacksons live (B) in a fascinated (C) neighbourhood downtown (D) Las Vegas. A. The B. live C. fascinated D. downtown 32.VI/ Choose the underlined part that needs correction in each of the following questions. Khang was (A) so upset because (B) Vy turned back (C) is invitation to (D) the cinema A. was B. because C. back D. invitation to 33.VI/ Choose the underlined part that needs correction in each of the following questions. Of (A) her two children (B), Anna is the most (C) intelligent and has better (D) results at school. A. Of B. children C. the most D. better 34.VI/ Choose the underlined part that needs correction in each of the following questions. After (A) a long holiday, now he has to (B) work hardlier (C) than everyone else (D). A. After B. has to C. hardlier D. else 35.VI/ Choose the underlined part that needs correction in each of the following questions. Paul reads (A) fastest (B) than (C) anyone else in the class (D). A. reads B. fastest C. than D. in the class 36.VI/ Choose the underlined part that needs correction in each of the following questions. This maths problem (A) was much (B) harder (C) as (D) I expected. A. problem B. much C. harder D. as 37.VI/ Choose the underlined part that needs correction in each of the following questions. This (A) is far (B) the (C) best restaurant (D) in the city. A. This B. far C. the D. restaurant

Cho tam giác ABC với độ dài các cạnh là a, b, c. Chứng minh rằng: a(b - c)² + b(c - a)² + c(a - b)² > a³ + b³ + c³

Calli: Trai hay gái._? `=>``=>` Mọi người ơi tôi là trai hay gái>???

ai giúp em gấp câu này vơi Chỉ cần câu C thôi ạ