Giúp mình bài này với, mình cảm ơn

trong hệ trục tọa độ Oxy, cho 2 đường thẳng a1: 2x-y-10=0 và a2 : x-3y-9=0 . tính góc tạo bởi 2 diểm đã cho

Làm nhanh nhé trong vòng 2 phút

calli : Are we all just fakin’ it? nl : mọi người nghĩ tôi thích gái thật á =)))

Các bn giải giúp mk bài 3, 4 vs Mk sẽ đánh giá 5* cho cả hai bài lun

Mn lm ơn giúp em bài này vs ạ ! 10p nx em phải nộp rồi ạ ! Em cảm ơn Hứa vote 5*+ctlhn

Câu 4 (1 điểm) bài 1 Tính giá trị nhỏ nhất của biểu thức P = x2 - 2xy + 6y2 - 12x + 2y + 45

Đề : viết 1 bài văn ngắn về thời gian biểu Topic: write a short essay about the timetable

calli chữ : châm iu mn nhìu phải có phông nền đàng hoàng nhé

II. Rewrite these sentences, keeping the original meaning: 1. My house is bigger than your house. => Your house is...................... 2. The black car is cheaper than the red car. => The red car_____________ 3. This film is more interesting than that one. => That film is_____________ 4. My kitchen is smaller than yours. => Your kitchen________________ 5. My grandmother is older than everyone in my family. => My grandmother is the________ 6. No one in my class is as tall as Tam. => Tam is the____________________ 7. I can't cook as well as my mother. => My mother can cook____________ 8. He does not play tennis as well as Jack. => Jack can___________________ 9. I did not spend as much money as you. => You spent___________________ 10. I don't think this book is expensive as it is. => This book is____________ 11. He is the tallest boy in his class. => No one in_______________ 12. This is the most interesting film of all. => No other films are_____________ 13. No cars in the world are more expensive than Japanese ones. => Japanese cars _____ 14. This exercise is easier than that one. => That exercise is not_________ 15. He drives more carefully than Jack does. => Jack_____________ 16. No one in the group plays better than he. => He can___________________ 17. No hotel in the city is as comfortable as this. => This hotel is the _______ 18. Other oceans in the world aren't as large as the Pacific one. => The Pacific Ocean is ______