$\frac{3}{4}$x$\frac{8}{9}$x$\frac{15}{16}$x....x$\frac{899}{900}$

Giúp mk bài 2 câu b thôi nhé mk đg cần gấp

. Choose the best options to complete these sentences. 1. ............. books are here. ............. are there. A.Theirs – ours B. Their – our C. Theirs – our D. Their – ours 2. ............. is a single-wheel bike. A. Mono wheel B. Hover scooter C. Segway D. Teleporter 3. Choose the word having different stress from the others. A. harvest B. parade C.music D.pumpkin 4. ............. the film was gripping, Tom slept from beginning to end. A. Therefore B. Despite C.However D. Although 5. You should look right and left when you go ............. the road. A. down B. across C.up D. along 6. You found the plot of the film ............. A. boring B. bored C. interested D. acting 7. A lot of dancers go to Rio de Janeiro to ............. the Carnival. A. attend B. join C. perform D. appear 8. Nuclear power ............. in the future. A. will replace B. replaced C. will be replaced D. replaces 9. Wind, hydro and solar are ............. resources. A. modern B. renewable C. non-renewable D. new 10. It’s really difficult to ............. a bicycle up the hill. A. fly B.drive C.pedal D. sail 11. At this time next week, we ............. a test on sources of energy. A. will take B. take C.will be taking D. are taking 12. My children often sleep while they are ............. a plane. A. on B.in C.by D. X 13. Have you ever ............. to Sapa? A. seen B.be C.visited D. gone 14. Don’t eat that type of fish, you may have a/an ............. A. energy B. sick C.sore D. allergy 15. What ............. do I need to cook an omelet? A. menu B.food C.material D.ingredients

writting about film Alantis: The lost empires ( làm sao cho hợp vs project) Cần gấp

Mọi ng giúp e vs ạ E cảm ơn nhiều

Q(x)=x^4+4x^3+2x^2-4x+1 tính Q(-2),Q(1) em đang cần gấp giải gõ hộ em

Viết các phương trình hóa học (ghi rõ điều kiện) biểu diễn những chuyển hóa sau: FeS2 → SO2 → SO3 → H2SO4 → CH3COOH

wrtting about films ( có kịch bản nha) cẦN GẤP

đặc điểm dân cư ,xã hội của khu vực đông nam á

chứng tỏ rằng B=1/2 ² +1/3 ² +1/4 ²+ 1/5 ² +1/6 ² +1/7 ² +1/8 ² < 1