bạn nào giúp mình bài 5,6,7 mình cảm ơn

Cho x; y ∈ R thỏa mãn x²+y² = 1. Tìm giá trị lớn nhất của P=$\frac{x}{y + \sqrt[]{2} }$

Cho hình vẽ sau, biết giả thiết được biểu diễn quá các kí hiệu, chứng minh tam giác IHC vuông cân tại H

1. water/you/drink/everyday? 2. rice/eat/for dinner? 3. milk/you/drink/this morning? 4. eggs/you/need/cook? 5. apples/you/buy/last week? 6. bags of noodles/you/buy/yesterday? 7. orange juice/left/bottle? 8. sugar/you/want? 9. bread/you/eat/for breakfast ? 10. rice/there/ the cooker?

Question I. Find the word which has a different sound in the part underlined .( 0.4pts) 1. A. adventure B. accommodate C. atmosphere D. allow 2. A. died B. continued C. contented D. followed Question II. Circle the words with a different stress pattern from the others .( 0.6pts) 1. A. unintelligent B. creativity C. negative D. positive 2. A. explorer B. engineer C. supportive D. biology 3.A disagree B. photographic C. historical D. unnecessary Question III. Choose the best answer A, B , C or D.(1 points) 1.Teenagers now prefer ……….on the computer to ……..face to face A. chatting /meet B . to chat /meeting C. chatting /meeting D. to chatting/meeting 2. They got on quite well despite the language…………... A. communication B. breakdown C. barrier D. telepathy 3. Students should learn how to use…………communication, such as…………..hand gestures and eye contact to communicate successfully.A. netiquette B. verbal C. non-verbal D. body 4.This farming method produces higher…………... A. production B. yield C engine d science 5. Air pollution ,together with littering, has ……………..many problems in our large cities today. A. caused B. made C. affected D. brought Question IV. Give the correct form of the verb in brackets (1.0 point) 1.This time tomorrow I (chat)…………….with my cousin in Sydney on Skype 2.When I (call) ……………..you this morning, my mobile phone was dead 3. By the time I arrived in the class, every student(divide )………………….into three teams. 4.If I were richer, I (travel)………………….to the Moon. 5. The next train to Bristol (start) ………………..at 8.45a.m , so I must go now. Question V: Fill in the blank with the correct form of the given word(1p) 1 There are different kinds of ………….provided throughout Disneyland.(entertain) 2. Eye contact, ………………..expressions, and gestures play an important role in conveying messages in communication.(face) 3 Body language can be very ……………in conveying our messages. ( effect) 4 ……………….advances have changed people’s life both positively and negatively.(technology) 5. The …………………. Of vaccine has remained one of the most important events in the medical field. (discover)Question I. Rewrite the sentences so that it has similar meaning to the first 1. Rose asked Denny: “When should I come to see you tomorrow?” -> Rose………………………………………….………………………………………… 2. “ I’ve never seen this kind of robot before.” -> She told me……………………………………………………………….…………………… 3. Many fish die because sewage is dumped directly into the river. -> If.................................................................................................................................. 4. The teacher is going to show us a documentary about severe floods. ->We.................................................................................................................................... 5 He came to my house at 9am.I went out for shopping at 8.30a.m ->By the time…………………………………………………………………. 6.The government believe that it is beneficial to spend more money on space exploration. -> It is………………………………………………………………………………….. 7. I will have somebody paint my house in the future.(painted) Question II. Make sentences using the words and phrases given. 1. I/decided/talk/her/face-to-face/so that/we/understand/each other /more easily. ……………………………………………………………………………………………………. 2. Mary / wanted / know / John /will / be / use / computer / following day / not. ……………………………………………………………………………………………………. 3. Yesterday /she /report/she /see/UFO/sky/night /before. ........................................................................................... nếu có câu nào khó quá làm không được thì có thể không làm (từ1 đến không quá 5) nếu làm hết thì mình cảm ơn 😘

Giúp tớ với nha.Camr ơn các bạn nhiều

X(4x^2+8x+1)(9-36)(8+27)(64-125)

tìm m để đths y=[mx^2+(m^2+1)x+4m^3+m]/(x+m) tương ứng có 1 điểm cực trị thuộc góc phần tư thứ II và 1 điểm cực trị thuộc góc phần tư thứ IV của mặt phẳng toạ độ

Giúp mình vs,ai mhanh và đúng nhất mình tích cho

Mong mọi người giải giúp em ba bài này ạ ^_^