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1. How many ways can a committee of four be chosen from a group of thirty people? 2. How many ways can four singers be chosen from a group of twenty singers? 3. How many ways can a committee of three be chosen from a group of sixteen girls and fifteen boys if there must be exactly one girl and two boys on the committee? 4. How many ways can a student council be chosen from a class of thirty if there is one president and three council members? 5. How many different tickets are possible for the Lotto 6/49? (a ticket consists of six numbers from 1 to 49 without any repeats) 6. How many ways can a committee of five be chosen from a class of ten boys and eighteen girls if Ted and Thelma must be on the council? 3. How many different five card hands are possible? & How many different five card hands are possible with exactly three aces and two other cards? 9. How many different two card hands are possible with both cards being face cards? lo. How many different two card hands are possible with both cards being red cards? แ(. How many different two card hands are possible with both cards being black aces? เ2- How many different five card hands are possible with exactly four Kings and one other face card?

รบกวนหน่อยนะคะ

Incomplete and codominance practice #1 Directions: Read each statement and determine the pattern of inheritance. 1. Birds can be blue, white, or white with blue-tipped feathers. 2. Flowers can be white, pink, or red 3. A hoo can have curly hair, spiked hair, or a mix of both curly and spiked. 4. A sneech can be tall, medium, or short. 5. A Bleexo can be spotted, black or white. Trolls can have red, blue or purple hair. The allele that controls this trait is INCOMPLETELY DOMINANT, where purple hair is caused by the heterozygous condition. genotype phenotype BB red BR Stanley has purple hair and is married to Julia who brags that she has the bluest blue hair in the valley. a. How many of Julia's children will be able to brag about their blue hair also? % b. How many will take after their father % C. Show a cross to prove your answers. d. One of Julia's children is born with shocking red hair. Is Stanley the father of this child? e. But wait, Julia Swears that she has been faithful, she claims the hospital goofed and got her baby mixed with someone else's. Is Julia the mother of the red-haired child? SALIVEWORKSHEETS () () () | () () ()

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Nameะ Date: Answer the questions using the Punnett square shown below. B b B BB Bb b | Bb bb 1. What genotype do both parents have? 2. What letter represents the recessive gene? 3. What letter represents the dominant gene? 4. What are the three genotypes an offspring could have? 5. If b is a recessive gene, list the offspring that will exhibit or show the recessive trait. 6. If B is dominant over b, list the offspring that will exhibit or show the dominant trait. 7. Which genotype has a 50% chance of being inherited? Draw a Punnett square for each of the gene crosses listed below. Then, list the offsprings' genotypes. 8. Rr and rr 9. HH and hh 10.Aa and Aa

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12.Parallel Structure คำเชื่อม = and, but, or, as, than, like, except เชื่อมคำประเภทเดียวกัน - Nouns My best friend collects stamps, coins, and postcards. Adjectives The workers were ready, able, and determined to do a great job. ๑ Modified Nouns A positive attitude can lead to both physical success and spiritual fulfillment. ๑ Verbs She usually eats breakfast and has a cup of coffee in the morning. e Infinitives | would rather pay for my education than receive financial aid. Participial phrases Driving through the countryside and speaking to the people, Sam began to understand the culture better. ๑ Adverbs They encouraged us to work carefully and effectively. Abverbial Phrases They will arrive in less than an hour and in time for the meeting. ๑Clauses The salesman expected that he would present his product, that there would be time for him to show his slide presentation, and that prospective buyers would ask him questions. 1. Many industries depend on air conditioning to keep the air in their plants clean 1 2 3 and cool, and controlling the moisture level. 4 2. A new born child responds to the world with reflexes such as grasping, sucking, 1 2 or it turns its head when touched on the mouth. 3 4 3. The domestic dog is generally loyal, courageous, intelligence, and adaptable. 1 2 3 4 4. Maps have lines, words, Symbolic, and colors that show the distribution and 1 2 3 arrangement of the Earth's geographical features. 4

ช่วยหน่อยค่ะ 🙏🥺

Several Meanings คาบางค่าในภาษาอังกฤษอาจมีได้หลายความหมาย บางทีความหมายเหล่านั้นก็อาจ จะสัมพันธ์กัน แต่บางทีก็อาจจะแตกต่างกันไปเลย เช่น cabin (n) ความหมายหนึ่งแปลว่า "ห้องนอนในเรือ" อีกความหมายหนึ่ง แปลว่า "กระท่อม วิธีหนึ่งที่จะเพิ่มคลังคำศัพท์ของเรา ได้งายๆ คือ เรียนรู้ความหมายอื่นๆ ของคำศัพท์ที่เรารู้จักอยู่แล้ว Exercise : ในแบบฝึกหัดนี้ แต่ละข้อจะมีประโยคคู่หนึ่ง ให้นักเรียนเติมคำคำเดียวกัน ลงในช่องว่างในประโยคคูนั้น โดยเลือกจากในกรอบข้างล่างนี้ bank ring block head service course star change tank shade trunk present note tap spot 1. a) |m sleeping in the best cabin in the ship. b) He lived in a little in the forest. 2. a) We both had a steak for the main b) My English โasts for three months. 3. a) The hat wouldnt fit on his b) The of the compะany is visiing us tomorrow. 4. a) The singer had difTiculty reaching the top b) She Jefi him a Saaying she d be latc. 5. 1) | work in the large office near he station. b) He used a of wood to keep the door open. 6. 1) We always get good in this shop. b) She's gone ปhe evening at the church.

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"must" and mustn" 1. true or false Read and circle true or false for these sentences. There are lots of rules at my school. You must be on time and you must listen to the teachers. You mustnt use your phone in class and you mustnt run in the corridors. Yoน must do your homework and you mustnt copy! true false 4. There are lots of rules at his school. true false b. Its OK to be late. true false C. Ifs necesary to listen to the teachers. true false d. Ifs OK to use your phone in class. true false e. Ifs not necessary to do your homework. 2. Make it right! Find the mistake in each Sentence and correct it. - You must deng your homework. Vou mUst do uOur homework. 1. You must to be careful when cutting food. 2. You mustnt shouting in the museum. 3. He musts wear a school uniform. 4. You must say it louder. 5. We mustnt to pick the flowers at the park. 6. You no must run af the swimming pool. 7. We must looking both ways when crossing the road. 8. She mustnt took toys to school. 9. You must to pay attention at school. 10. We must speaking English at work.

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3. I prefer tche book we read last semester. 4. 1ne b66K WaS 16. You are at the bank. A bank teller asks you for your identification card. You can't find it. You say: 1. None of your business. 2. Will my driver's license do? 3. Don't bother. 4. Where can Iget one 2

ช่วยหน่อยค้าา ขอบคุณล่วหน้าค่ะ🙏🙏❤️❤️

Conjunction Test Directions : Use the following conjunctions to complete the exercises. otherwise | either . or. neither.. nor / not only . but also both . and./ while / before / though / although as ...as / ๑๑๑๑ when / where | why / unless/ until / if | because / since but because / still he is a busy, he spends time with his family. hard working _he gets a chance. |you work hard. anyone else. La stupid. I was watching TV. |hard working. |the postman arrived. |I didn't argue. 1. intelligent 3. Raju will play today 4. You can't succeed. 2. She is 5. We must reach there 6. Sam is |a fool 7.I fell asleep intelligent| 9. Samuel was eating food 10. I was very angry, L 11. She was unhappy.. 12. I like him very much 13. I can't believe youl 8. He is she was rich. |he is my best friend. L you speak the truth. JSweety. ปSuma failed in the examination. 14. Liola is tall 15. We don't know 16. Suresh is clever | 17.1cant attend the meeting) 18. This is the village_ kind |proud. |I am suffering from fever. Ilived in my childhood. humble. 19. Veda is 20. You better keep quiet| |you will be sent outside.

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Best Friends Hi, Im Julie and my best friend is Hanno, we are always together. We are both 13 years old and we are in the same class. Hanna lives in the same street as me ond we (like to spend our free time together. When we have 0 break in school we sometimes play skipping and sometimes we just sit and chat. We always walk home together and talk about our homework. When I am doing my homework and I don't understand a question, I often call Hanna for help and we do it together. After we have finished our homework we always chat on the computer before we go (to bed. We never go to sleep without speaking. At the weekends, we uรually go to the mall, Hanna always wants to go shopping but Ioften like to do other things, like skating or going to the cinema. We plan our day together and rarely disogree. She often sleeps over on Saturdays, we watch TV or a film together and we usually eat popcorn or sometimes we have o pizza. We both like to wear casual clothes, jean and t-shirts, and sometimes we swop clothes. IfI want to wear some jeans, I often borrow at-shirt from Hanno because she has some cool clothes. She never complains and she often borrows my caps. PHanna has a little brother, Charlie who nine years old. Sometime he can be annoying and he takes her things without osking her. Idon't have any brothers or sisters so Hanna is like my sister. Our parents often say we are like twinร as we are s0 alike. | Say True of False; Complete the gaps; 1. Hanna and Julie are cousins . 1.In school we เplay skipping. 2. We are 13 years old 2. We wolk home together. 3. Hanno lives next door to Julie . 3. We เ9o to sleep without speaking 4. They travel home from school by bus. 4. We disagree. 5. On Saturdays, they uรually g๐ to the Mall. 5. I borrow 0 T-shirt from Hannด 6. They often disagree about where to go. 6. She complains. 7. Hanno often sleeps at Julie's house on Saturdays. 7. Charlie is annoying. 8. Hanna sleeps over on Saturdays. 8. Julie hos o little brother . 9. We cat pizzos on Saturdays. 9. Julie hos cool clothes.. 10. On Saturdays, I, different things. like to do 10. Their parents say they are like twins.

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Exercise 3 Required Directions: Fill in the blanks with the present, present continuous or past tense form of the verbs in the brackets. Ravi : I (1) (tidy) the kitchen last night and I (2), (refuse) to do it again. It's your turn today. Sheila : You (3) (be) so unfair! I (4), (spend) most of last week cleaning the house. I (5) (not bother) you because you (6) (have) exams. Ravi : I (7) (beg) you now, Sheila. Please do it for me just this once. I don't have the time. I (8) (type) out my Chemistry project. I have to hand it in tomorrow morning. Sheila : You always (9) (try) to wriggle your way out of doing housework and somehow you (10) (succeed). I'll Ilet you off this time.