Cho ba điểm A,B,C thẳng hàng B nằm giữa A và C.Biết độ dài đoạn thẳng AB là 9 cm độ dài đoạn thẳng BC là 22 cm.Hãy tính độ dài đoạn thẳng AC

Help me Cần gấp mik sắp hc rùi Bài 2 và 3 ạ

3. Rewrite the following sentences without changing the meaning, using the word given 1. My sister goes to school on foot. My sister _______________________________________ 2. The bank is not far from the post office. The bank _______ _______________________________ 3. There are many flowers in our garden. Our garden _______ ___________________________________ 4. Ba lives in city. Ba doesn’t _________________________________________ 5. There is a big library in our school. Our school ___ __ _____________________________________

Ex 1. Choose the word whose underlined part is pronounced differently from the others. 1. a. exciting b. excellent c. experience d. expensive 2. a. hobby b. cycle c. bye d. why 3. a. pottery b. collect c. melody d. monopoly 4. a. heard b. bird c. world d. picture 5. a. bird-watching b. children c. school d. challenge

KHÔNG GHI LẠI CÂU HỎI, sửa lại cho đúng nếu có lỗi sai, giải thích thì được chia cho 18 lời giải và câu hỏi dưới đây: Ex 1: Use the correct form of verbs: the Present Simple &Present Continuous Tenses 1. Uuh! The ball isn't falling ( not fall) down. 2. She usually does (do/ usually) excercise in the morning. 3. He isn't watching (not watch) TV right now. 4. The sun rises ( rise) in the East and sets (set) in the West. 5. Tom is playing (play) soccer at present. 6. Tim and Joan are dancing and singing (dance/ sing) the same English song at present. 7. They always make (make) noise in the class. 8. Hung doesn't usually go ( often /not go) camping in the summer. 9. Hanh isn't reading (not read) with the friends at the moment. 10. Does Son often write (write/ often) to their friends every summer holiday? 11. What are you listening (listen) on the radio now? 12. Listen! Someone is crying (cry). 13. Smith and his wife are always (always/ be) good friends. 14. She isn't going (not go) to work by taxi tomorrow. 15. you will see (see) the doctor next weekend. 16. They are not going (not go) to the movie theater tomorrow evening. 17. Where (be) is Tep? - He (play) is playing soccer with his friend in the garden. 18. does She often write ( often /write) to her friends?

Nhờ mn giải dùm e vs ạ, e cám ơn

cho a+b=3 a.b=1 Tính: Q=a^2+b^2 K=a^4+b^4 giúp mik với gấp

làm hộ mình các bài này vs ạ hứa sẽ vote 5 sao

kể ít nhất 3 sản phẩm hóa học trong sản xuất; viết nguyên liệu và cách dùng; nhanh nhất cho ctlhn

Mọi người giải giúp mình với nhé. Mình cần gấp