Hiệu của số nhỏ nhất có 5 chữ số khác nhau với số lớn nhất có 4 chữ số là số nào ???

The contract _________ the period during which each stage of construction must be finished to avoid late charges. Select one: A. specific B. specifically Incorrect C. specification D. specifies

Giải phương trình sau: (2sin2x + 2cosx - 2sinx - 1)/2cosx - 1 = cos2x + √3(sinx+1)

giúp mình câu 18 và 20 ạ (19 ko cần ạ) giải các bước nha

*Chỉ cần nhanh và đúng thôi nha, ko cần giải thích đâu Subjunctive 1. It is essential that she _____ at the meeting. be is 2. If I _____ you I would call her tonight. was were 3. It is necessary that every student _____ a uniform. wear wears 4. I hope that he _____ his homework on time. finish finishes 5. The doctors recommended that she _____ a holiday. take takes 6. The boss asks that you _____ early for your first day of work. are be 7. If he _____ feeling better we would go. were was 8. It is important that we _____ home as soon as we arrive. call called 9. The landlord requested that John _____ out of the apartment. move moves 10. We want the windows _____ washed before Friday. be to be

Nguyễn Ái Quốc từ Xiêm về Hương Cảng làm gì?

các bn vẽ lại một nhân vật anime mà bn thích đi

Is it true that resignation appears at the ----- possible time? Select one: A. terrible B. worse C. most D. worst

Artist Susan Shepherd is best known for her flower paintings, and the large garden that surrounds her house is the source of many of her subjects. It is full of her favorite flowers, most especially varieties of tulips and poppies. Some of the plants are unruly and seed themselves all over the garden. There is a harmony of color, shape and structure in the two long flower borders that line the paved path which crosses the garden from east to west. Much of this is due to the previous owners who were keen gardeners, and who left plants that appealed to Susan. She also inherited the gardener, Danny. 'In fact, it was really his garden,' she says. 'We got on very well. At first he would say, "Oh, it's not worth it" to some of the things I wanted to put in, but when I said I wanted to paint them, he recognized what I had in mind. Susan prefers to focus on detailed studies of individual plants rather than on the garden as a whole, though she will occasionally paint a group of plants where they are. More usually, she picks them and then takes them up to her studio. 'I don't set the whole thing up at once,' she says. 'I take one flower out and paint it, which might take a few days, and then I bring in another one and build up the painting that way. Sometimes it takes a couple of years to finish. Her busiest time of year is spring and early summer, when the tulips are out, followed by the poppies. 'They all come out together, and you're so busy,' she says. But the gradual decaying process is also part of the fascination for her. With tulips, for example, 'you bring them in and put them in water, then leave them for perhaps a day and they each form themselves into different shapes. They open out and are fantastic. When you first put them in a vase, you think they are boring, but they change all the time with twists and turns. Susan has always been interested in plants: 'I did botany at school and used to collect wild flowers from all around the countryside,' she says. 'I wasn't particularly interested in gardening then; in fact, I didn't like garden flowers, I thought they looked like the ones made of silk or plastic that were sold in some florists' shops - to me, the only real ones were wild. I was intrigued by the way they managed to flower in really awkward places, like cracks in rocks or on cliff tops.' Nowadays, the garden owes much to plants that originated in far-off lands, though they seem as much at home in her garden as they did in China or the Himalayas. She has a come-what-may attitude to the garden, rather like an affectionate aunt who is quite happy for children to run about undisciplined as long as they don't do any serious damage. With two forthcoming exhibitions to prepare for, and a ready supply of subject material at her back door, finding time to work in the garden has been difficult recently. She now employs an extra gardener but, despite the need to paint, she knows that, to maintain her connection with her subject matter, 'you have to get your hands dirty'.

1) cho hình chóp SABCD đáy là hình bình hành M,N là trung điểm SA,SC. a) tìm K=SD giao( BNN). b) Tính SK/KD