Giúp mik liền vs ạaaaaaaaaaaaaaaaaaaa

Củng một lúc 2 xe xuất phát từ 2 địa điểm A và B cách nhau 60km, chúng chuyển động thẳng đều và cùng chiều từ A đến B. Xe thử nhất đi từ A với vận tốc 30km/h, xe thứ hai đi từ B với vận tốc 40km/h a) Tìm khoảng cách giữa 2 xe sau 30 phút kể từ lúc xuất phát b) Hai xe có gặp nhau không? Tại sao? c) Sau khi xuất phát lh. Xe thử nhất ( Đi từ A) tăng tốc và đạt tới vận tốc 50km/h. Hãy xác định thời điểm 2 xe gặp nhauvà vị trí chúng gặp nhau? Mọi người giúp em với ạ. Em đang cần gấp. Cám ơn mọi người.

Complete the sentences using the third person form of the verbs in brackets 1. My dad.............(wash) his car every weekend 2. Jim............(watch) to much TV 3. Adrian's baby............(cry) a lot 4. My Brother is good at chess and...........(practise) every day 5. Olga..........(go) jogging most evenings after work 6. Tom's wife cooks and Tom............(do) the washing up 7. Anna...........(catch) the 253 bus to college each morning 8. Nadia.............(relax) by doing yoga 9. I think our teacher..........(give) us far too much homework. 10. My Brother............(switch off) his light at about midnight.

Combine the sentences using the conjunction given: 1. He is very rich. He isn’t happy.  Although  No matter  However 2. She says anything. I don’t believe her.  Although  No matter  Whatever 3. He tried. He was not successful.  Although  No matter  However 4. It was cold. He didn’t wear any warm clothes.  Although  No matter  However 5. You return at any time. She waits for you.  Although  No matter  Whenever II. Change clauses of concession to phrases: 1. She didn’t eat much though she was hungry.  2. He couldn’t solve the problem though he was good at Maths.  3. Although it was noisy, I kept on studying.  4. Although he is strong, I’m not afraid of him.  5. Although it rained heavily, I went to school on time.  6. Mr. Pike doesn’t wear glasses though he is over sixty.  7. Although his English was good, he wasn’t chosen.  8. Mary will take a plane even though she dislikes flying.  9. Although he took many kinds of exercises, he got fatter and fatter.  10. Although Mary was sad, she managed to smile.  làm nhanh hộ mình nha

Mn giúp mik với ak. Mik cần gấp lắm rồi ak

nhanh lên giúp mik với mọi người ơi Tìm số nguyên tố x sao cho x + 2 và x + 4 cũng là số nguyên tố

Giúp em bai này vơi mọi người oiiiiiiiiii...............

Chia động từ ở thì tương lai đơn: I __________ (not /clean) this room. If it not rains, we ___________________ (go) to climb the mountain. I guess, he ________________ ( pass) the exam. My little boy ___________ (eat) the soup. ____________you__________( play) badminton next Sunday

write a paragraph giving your opinion about life in the countryside. You may begin like this(kh chép mạng)

viết đoạn văn theo câu chủ đề bảo vệ môi trường là việc làm cần thiết