M.n giúp tôi bài này nha bài 2 dạng trên nha

điền vào ô dưới đây giúp mik !!!

1. Hàm số y = ( m+ 2 )x ² đạt giá trị nhỏ nhất khi: A. m < -2 B. m ≤ -2 C. m > -2 D. m ≥ -2 2. Hàm số y = (m +2 )x ² đạt giá trị lớn nhất khi: A. m < -2 B. m ≤ -2 C. m > -2 D. m ≥ -2 3. Hàm số y = 2x ² qua hai điểm A( √2 ; m ) và B ( √3 ; n ) . Khi đó giá trị của biểu thức A = 2m – n bằng: A. 1 B. 2 C. 3 D. 4

Các anh, chị thông thái vào giúp em với ạ!!! Bài 1:Số học sinh trong cùng 1 trường THCS trong khoảng từ 500 đến 600 học sinh. Khi xếp hàng 12, hàng 15, hay hàng 18 đều thừa 5 học sinh. Tính số học sinh của trường THCS đó.

Giúp em giải bài 10 với anh chị

1. “I’m tired of eating fish”, said Mary to Hellen -> Mary told Helen…………………………………..………………………… 2. “You must do your homework every day.”, said Miss Borne to us. -> Miss Borne told us ………………………………………………………………… 3. “Will we read the story?”, Billy said to his teacher -> Billy asked his teacher ……………………………………………………… 4.“ Is it me you want to speak to ?” , Mary asked her boss -> Mary asked her boss……………………………………………............................................ 5. “Where are you going for your holidays?, asked Martha -> Martha asked her girlfriend……………………………………………………… 6.“ Don’t go near the water, children”, said she -> She told her children ………………………………….................................................. ..... 7.He said, “ I’ll be here again tomorrow” -> He said that ………………………………….................................................... ...............

. Mn giải giúp em câu 2 với bài 2, em cần gấp . Em cảm ơn ạ !

cho 3.36 lít oxi (dktc) phản ứng hoàn toàn với kim loại hóa trị 3 thu đượ 10.2g oxit .công thức phân tử của oxit là

11. “We should support medical staff and soldiers in the fight against the pandemic,” he said. A. He told we should support medical staff and soldiers in the fight against the pandemic. B. He said we should support medical staff and soldiers in the fight against the pandemic. C. He said we had to support medical staff and soldiers in the fight against the pandemic. D. He said me we should support medical staff and soldiers in the fight against the pandemic. 12. He said: “It is our responsibility to follow the instructions of the government.” A. He said that it was our responsibility to follow the instructions of the government. B. He said that it is our responsibility to follow the instructions of the government. C. He said that it was our responsibility and followed the instructions of the government. D. He told it was our responsibility to follow the instructions of the government. 13. “My daughter wrote a letter to the soldiers yesterday,” she said. A. She said her daughter had written a letter to the soldiers the day before. B. She told her daughter to write a letter to the soldiers the day before. C. She told her daughter wrote a letter to the soldiers the day before. D. She told me her daughter had written a letter to the soldiers yesterday. 14. “Wear a face mask when you are with many people,” my mother said to me. A. My mother told me wear a face mask when I am with many people. B. My mother told me wore a face mask when I was with many people C. My mother told me to wear a face mask when I was with many people. D. My mother said me to wear a face mask when I am with many people.

Giúp mình với ạ,mình cũng đang cần gấp