Giúp e đề bài là tìm min max của B= 5/ (x+2)^2+8

Bài 4: Biết câu so sánh hơn dùng từ gợi ý: 0.Bob / strong /Jim. Bob is stronger than Jim. 1.My current job / demanding/ my last one. 2.Today/ Jane/ beautiful/ usual. 3.Yesterday / it/ cold/ taday. 4.Fruits and vegetables / healthy / fast food. 5. Life in the countryside / peaceful/ life in the city. 6.Your sister/ good/ you think. 7.Who / intelligent/ you/ in your class? 8. Ann/ short / you? 9. Last year/ his salary / low/ this year. 10. Bob/ look / strong/ his brother.

Vẽ đậu mầm NL: tìm người để avt BFF cùng

Bài 3 :Hoàn thành các câu sau với dạng so sánh hơn của tính từ trong ngoặc: 1.Living in the city is________than living in the country(convenient). 2.Mrs.Smith is_________than I thought.(young). 3.Houses in big cities are much_________than those in my hometown(tall). 4.No one in my class is_________than Jim (smart). 5. The senior prom would be_________than any other proms(exciting). 6. I have__________courage than my brother(little). 7. His health condition is getting__________(bad). 8.You are_________than you think(clever). 9.This computer is much_________than mine(expensive) 10.I always dream of a__________house to live in(modern). 11.They are__________than they used to be(skillful). 12.Life in this village is_________than anywhere else.(peaceful). 13.I think people in the countryside are________than city dwellers.(friendly) 14.This year, the prize for the winner is______than last year.(valuable)

Bài 2:Khoanh tròn vào đáp án đúng: 1.Living in this small town is (moree peaceful/ peaceful more) than I expected. 2.Nowadays people are (more anxious/ anxious more) about pollution than before. 3.Today you look ( happier/ more happy) than usual. 4.This year I will move to a (bigger/ biggest) city. 5.This experience is (more exciting/ most exciting) than I expected. 6. Who is (more intelligent/ most intelligent) between two of them. 7. This song is (catcher/ more catchy) than that song. 8. The new sofa is (costlier/ more costly) than the old one 9.Our family will move to a (more comfortable/ more comfortable than) place next year. 10. I hope you will get (best/ better) the next time I see you. 11.James has (many/ more) books than Paul. 12.She is (more independent/ most independent) than the last time I saw her. 13. Today my sister (is more quiet/ quieter) than usual. 14.Jane is(more pretty/ prettier) than Ann. 15.The weather is (hotter/ hottest) than yesterday.

Giúp mình vs ạ , mình đang cần gấp , hứa vote 5* ạ

Phân biệt: mặt nón tròn xoay, hình nón tròn xoay, khối nón tròn xoay. Giải thích cụ thể giúp mk nha

√x²+2x+1 + √x²-2x+1 = 2

Tính diện tích hình bình hành biết chiều cao là 100cm và đáy là 20c,

Ai help em với em dsang cần gấp ạ