three cubed 3^3=27 k mình nha nó có nghĩa như vậy đó

Phương trình tham số của đường thẳng đi qua điểm M 3 ; − 1 ; 2  và có VTCP u → = 4 ; 5 ; − 7  là 

A.  x = 4 + 3 t y = 5 − t z = − 7 + 2 t .

B.  x = − 4 + 3 t y = − 5 − t z = 7 + 2 t .

C.  x = 3 + 4 t y = − 1 + 5 t z = 2 − 7 t .

D.  x = − 3 + 4 t y = 1 + 5 t z = − 2 − 7 t .

A person who produces a film is a film producer .

A person who hosts an event is an MC .

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Tổng số phần = nhau là :

2 + 5 = 7 ( phần )

Số h/s nam của lớp là :

28 : 7 x 2 = 8 ( h/s )

Số h/s nữ của lớp là :

28 - 8 = 20 ( h/s )

Đ/s: H/s nam : 8 h/s

       H/s nữ : 28 h/s

Em hãy dùng từ gợi ý viết hoàn chỉnh những câu dưới đây.

1. living / city / noisy / than / living / country.
- Living in the city is noisier than living in the country.
2. how / rice / and / many vegetables / he / produce ?
- How much rice and how many vegetables does he produce ?
3. Daewoo Hotel / tall building / our / town.
- Daewoo Hotel is the tallest building in our town.
4. many plants / animals / danger / because / we / destroying / them

- Many plants and animals are in danger because we are destroying them.
5. John / Nick / USA / and / speak / American - English.
- John and Nick live in USA and they speak American - English.

mình :)

Em hãy đặt câu hỏi cho phần in đậm ở mỗi câu sau.

1. We speak Vietnamese.

=> What languages do you speak ?
2. My friend comes from Russia.

=> Where does your friend come from ?
3. His chickens produce many eggs.

=>
4. We are cutting down the forest because we need more land.

=> Why are you cutting down the forest ?
5. She is Australian.

=> What is her nationality ?