Tìm x; y Mong mọi người giúp đỡ ạ!!! Cảm ơn nhiều!

nhanh vs Ex 13. Read the text carefully, then decide whether the following statements are true (T) or false (F). Our life would be hard without rest and recreation. And people have many different ideas of how to spend their free time. If you enjoy doing a thing or activity in your free time, then you have a hobby. A hobby is an activity, Interest, enthusiasm, or pastime that is undertaken for pleasure or relaxation, done during one’s own time. A person’s hobbies depend on his age, character and personal interests. An interesting thing to one person can be boring to another. That’s why some people prefer reading, cooking, knitting, collecting, playing a musical instrument, photography or playing computer games while others prefer dancing, travelling, camping or sports. 1. A hobby is anything that you enjoy doing in your free time. 2. Different people have the same hobbies. 3. A hobby can provide us with relaxation. 4. Your hobby may be changed as you gel older. 5. One person’s hobby may be a boring thing to another person. 6. Playing sports is not a hobby. Ex 14. Arrange the words to make sentences. 1. hobby/ you/ have/ any/ do/? __________________________________________________________________ 2. his/ do/ what/ your/ brother/ free/ does/ in/ time/? __________________________________________________________________ 3. he/ summer/ in/ climbing/ goes/ mountain/ the/ usually/. __________________________________________________________________ 4. friends/ monopoly/ enjoy/ I/ with/ playing/ my/? __________________________________________________________________ 5. It/ boring/ because/ finds/ time/ models/ Jim/ takes/ lots of/ making/. __________________________________________________________________ 6. you/ up/ will/ ice-skating/ future/ in/ take/ the/? __________________________________________________________________

mọi người ơi giúp mình bài này với ạ

a,A= 1+2+2^2+2^3+ ...+ 2^100 b, B= 3^200+3^198+3^196+...+ 3^2+ 1 c, C =1/4+ 1/4^2 + 1/4^3 + ... + 1/4^2021 d, D= 1/5 + (1/5) ^ 3 + ( 1/5) ^5 +...+ (1/5) ^2021 e, E= 3^100- 3^99+ 3^98 - 3^97 + ...+ 3^2 - 3 + 3^0

Ex 11. Write questions for the underlined parts. 1. A: _______________________________________________________________ B: My hobby is photography. 2. A: _______________________________________________________________ B: I started my hobby five years ago. 3. A: _______________________________________________________________ B: I enjoy my hobby because I think it’s creative. 4. A: _______________________________________________________________ B: I spend two hours a day on my hobby. 5. A: _______________________________________________________________ B: Jim usually plays volleyball in his free time. 6. A: _______________________________________________________________ B: He plays volleyball three times a week. 7. A: _______________________________________________________________ B: He often plays volleyball at the court near his school. 8. A: _______________________________________________________________ B: He likes to play volleyball with his friends. Ex 12. Fill in each blank with a word from the box. kinds classify books near name collection clean immediately Collecting (1) __________ is my favourite hobby. I started my hobby five years ago. The first item in my (2) __________ is a book about Doraemon. And now I have a lot of books of all (3) __________: comics, children's, history, science, detective, adventure, etc. Whenever I find an interesting book I buy it (4) __________ . I usually buy books in the bookstores (5) __________ my school and my house. Sometimes my relatives and my friends give me books as a gift. I (6) __________ my books into different categories and put each category in one corner of my bookshelf with a (7) __________ tag on it. It takes all my free time to keep everything (8) __________ and dusted. It keeps me amused for hours, too.

Mọi ng giúp em bài này lớp 8 với

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Giúp mình bài này với mn ơi. Iu mn❤

Bài 1:Làm tính nhân: a) (x-5)*(x^2-6x+1)

Ex 9. Choose the correct verb form or tense. 1. I’m told you are ill. I hope you __________ better again. a. will feel b. feel c. are feeling d. don’t feel 2. We were getting tired, so we stopped __________ lunch. a. have b. having c. to have d. for having 3. __________ you __________ to school every morning? a. Does ... walk b. Do ... walk c. Will... walk d. Are ... walking 4. He enjoys __________ cycling at the weekend. a. to go b. going c. goes d. go 5. You needn’t wear your coat. It __________ cold today. a. will be b. won’t be c. doesn’t be d. is 6. We __________ swimming because it’s fun and good exercise. a. like b. are liking c. will like d. liked 7. My grandparents don’t like __________ in the city because It’s noisy and crowded. a. live b. lived c. living d. to living 8. Fire needs oxygen to burn. It __________ without oxygen. a. burn b. burns c. don’t burn d. doesn’t burn 9. How much time do you spend __________ the internet per day? a. surf b. to surf c. surfing d. to be surfing 10. I don’t mind __________ a DVD, but I prefer __________ to the cinema. a. to watch - to go b. watching - go c. to watch - going d. watching - to go Ex 10. Fill in each blank with a suitable preposition. 1. Hi, everyone. Welcome __________ my house! 2. Is there anything good __________ television tonight? 3. What do you like doing __________ your free time? 4. He takes photographs __________ a hobby. 5. Will you take __________ making pottery in the future? 6. He is interested __________ collecting toy cars. It’s his favourite hobby. 7. __________ weekends, we usually go fishing in the river. 8. My cousin always gives me gifts __________ special occasions.