Mọi người ơi giúp em với ạ e. Sắp đi học rồi nên càng gấp

$ \boxed{\text{Bài 1}} $ Giải phương trình $$ x^3 - x^2 - 12x\sqrt{x-1} + 20 = 0 $$ Bằng phương pháp nhân liên hợp

trong gia đình sủ dụng máy biến áp nào? vì sao?

Giúp mình với Một xe tải đi từ A đến B với vận tốc trung bình là 30 km/h. Sau một giờ một ô tô cũng đi từ A đến B với vận tốc trung bình là 40 km/h và đuổi kịp xe tải tại B. Tính quãng đường AB.

1 I’ve gone / I went to university when I was nineteen and 2 I qualified / I’ve qualified as an engineer about four years later. Now I live here in Pennsylvania with my wife and children, but we 3 haven’t lived / didn’t live here very long. 4 I’ve worked / I worked in six other places and last year 5 I’ve spent / I spent three months working overseas. But now I think we’ll stay in Pennsylvania. 6 It’s been / It was good for us living here. At first some of the local people 7 haven’t been / weren’t friendly because they were worried about the local environment, but the natural gas industry 8 has created / created new jobs and 9 has improved / improved the local economy, so things are better now.

1 how long / work / for your company? 2 when / you / go to college? 3 you / always / live / in Pennsylvania? 4 when / you / move back here? 5 you / ever / work / overseas? 6 it / be / easy living here?

Giúp mình với mình cần gấp lắm mình cảm ơn trước

Điền 1 giới từ thích hợp vào chỗ trống 1 The doctors are looking .....the patients in the hospital 2 What time do they go home ....work ? 3 Are there five fingers .....a hand ? 4 My teacher goes to work .....bus every day 5 they are watching TV .....the living room 6 my flat is very far .....here Hãy chọn 1 từ thích hợp điền vào chỗ trống Vegetables ,fridge, drink , water , food Vegetarian ,thirsty , dinner , lemonnade ,hungry 1 My family has .....at six o'clock in the evening 2 Every day ,we have some rice ,fish and .....for lunch 3 I'm very ......i'd like some noodles 4 I like iced coffee . It's my favorite ...... 5 there is some meat in the .... 6 I like chicken . It's my favotite ..... 7 Lan is not hungry but she is .......She 'd like some soda 8 what is your favorite drink ? I like..... 9 how much .....do you drink every day ? 10 M.r Ba is a ....so he doesn't eat meat and fish

giúp mình với mình đang cần gấp

Giúp mình câu 29 với làm hết cũng được