các anh chị giúp em bài này v ạ

4. Nếu một hình chữ nhật có chiều dài 3 cm và chiều rộng 2 cm và một hình chữ nhật có chiều dài 2 cm và chiều rộng 3 cm được coi là cùng một hình chữ nhật. Có bao nhiêu hình chữ nhật có diện tích 20 cm vuông mà chiều dài và chiều rộng đều là số nguyên tính bằng cm?

Dạ giải giúp em với ạ em đang cần gấp

Exercise 3: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks. Higher education also provides a competitive edge in the career market. We all know that in the economic times we are living in today, finding jobs is not guaranteed. The number of people unemployed is still relatively high, and the number of new career (1) isn’t nearly enough to put people in jobs they are seeking. As a job seeker, you’re competing with a high number of experienced workers (2) have been out of the workforce for a while and are also seeking work. (3) , when you have a higher education, it generally equips you for better job security. Generally speaking, employers tend to value those who have completed college than those who have only completed high school and are more likely to replace that person who hasn’t (4) a higher education. Furthermore, some companies even go so far as to pay your tuition because they consider an educated (5) to be valuable to their organization. A college education is an investment that doesn’t just provide you with substantial rewards. It benefits the hiring company as well. Question 1. A. responsibilities B. activities C. opportunities D. possibilities Question 2. A. who B. where C. whose D. which Question 3. A. Otherwise B. Moreover C. Therefore D. However Question 4. A. permitted B. refused C. applied D. received Question 5. A. employment B. employer C. employee D. unemployed Exercise 5: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks Some people return to college as mature students and take full- or part-time training courses in a skill will help them to get a job. The development of open learning, (1) it possible to study when it is convenient for the students, has increased the opportunities available (2) many people. Thistype of study was formerly restricted to book-based learning and (3) course but now includes courses on TV, CD-ROM or the Internet, and self-access courses at language or computer centers. Americans believe that education is important at all stage of life and should not stop (4) people get their first job. About 40% of adults take part in some kind of formal education. About half of them are trying to get qualifications and skills to help them with their jobs, the (5) are taking recreational subjects for personal satisfaction. Schools and community colleges arrange evening classes, and a catalog of courses is published by local boards of education. Question 1: A. making B. keeping C. enabling D. finding Question 2: A. about B. with C. to D. by Question 3: A. corresponding B. corresponded C. correspondent D. correspondence Question 4: A. whereas B. that C. when D. otherwise Question 5: A. remains B. rest C. excess D. left

mọi người ơi giúp tui với 1 câu thui!!!

nhờ mn giải giúp em vs ạ, hứa 5 sao.

Ohhhh.Tạo điều kiện cho cc kiếm điểm nek!

2(x^2-6x+1)^2+5(x^2-6x+1)(x^2+1)+2(x^2+1)^2.C/M: biểu thức trên không có giá trị âm với mọi x.Mình cần gấp .Hứa vote 5sao

giúpe m câu này với em cần lắm bài 4

EX3. Hoàn thành các câu dưới đây, sử dụng cấu trúc so sánh “the same….as” và danh từ trong ngoặc. 1. My sister has ___________________ me. (height) 2. Jim pursues ___________________ Jane. (hobby) 3. My best friend is at ___________________ me. (age) 4. My friends went to see ___________________ me. (movie) 5. This musician plays ___________________ me. (musical instrument) 6. Critics say that this paiter has ___________________ with that one. (style) 7. My brother is interested in ___________________ me. (subject) 8. This class has ___________________ that one. (number of students) 9. Anne bought ___________________ me yesterday. (dress) 10. She cut her hair ___________________ mine. (length) 11. My best friend likes ___________________ my brother. (books) 12. I bought my car at ___________________ hers. (price). 13. My mother likes ___________________ me. (TV programs) 14. He had ___________________ a famous actor. (appearance) 15. He puts on ___________________ usual. (old coat)