cho đường thẳng m cắt 2 đường thẳng a,b và trong các góc tạo thành có một cặp góc sole trong = nhau thi a,b ntn?

Cho đường thẳng (d):y=x+3a+5 (với a là tham số) a,Tìm a để đường thẳng (d) đi qua A(2;10) b,Tìm a để đường thẳng (d) cắt đường thẳng (d) :y=2-2x tại điểm B(x;y) x2+y2=40 (Giúp mình vs ạk mik đag cần gấp)

Ex1: Give the correct form of the verbs: 1. The students (not go).............. to school since Sunday 2. The Greens (be)................ to many countries in the world so far. 3. We (go)...............to that village to do volunteer work last week. 4. My uncle (move)........................to Da Lat in 2005. 5. My parents (buy).................this house 20 years ago. 6. We (not take).........................photos when we came there. 7. The students (not be)...................at school on last Monday. 8. Lan (be).......................at home when we went out. 9. Here you (be)............last Sunday? 10. They (help)...................the elderly people cook food some days ago? 11. Lan and her friends (rehearse).................a play at the moment. 12. He (watch)..................TV every day and (not like)................doing anythingelse. He (be)...............lazy. 13. The trees and flowers (water)................every day. 14. Tomorrow some friends come to my house, I (cook).................chicken. CTLHN LUN

viết một bài văn tả về người mà em yêu quý nhất ( no copy )

Làm được câu nào thì giải hộ em 1 hay 2 câu cũng đc ạ

Choose the word or phrase that best completes each sen no difference to me whether I get up at 6 or 7 6. It A takes T.A volunteer often helps others people B. does C. creates and with C. unwillin B. willingly 8. If you have unused clothes, why not give them away B. charitable 9. No one can force you to do volunteer work against B. willingness A. will A. charity C. charita A. will 10. My mother regularly A. donates C. willin money to orphanage C. done B. debates 11. You can help save the environment by not A. littering B. littling 12. Community service is the work we do for the B. advantages C. rur A. profits 13. Last year, my club A. took 14. Thanks to the summer language camp1 C. be evening classes fo C. B. gave B. did C. A. made 15. If we provided food and drink to street child A. any longer 16. Her speech was very A. convincing Choose the word or phrase that is CLOSEST 17. In the United State, almost everyone, at A. nearly 18. Americans have had the tradition of vo the country. A. something new and modern. B. not longer C because she in B. convinced B. hardly and rare.

$\sqrt[]{19+\sqrt[]{17}}$ - $\sqrt[]{19-\sqrt[]{17}}$

Vì sao có thể nói Chiếc lá cuối cùng là một hình tượng quan trọng là linh hồn của truyện ngắn này

5/4xy - 3x/2y^2z. Lm nhanh giúp mình nha

dịch hộ nhé I already love and I already have a wife That is Quynh