Complete the sentences, using a relative pronoun

1. It was the first time snowboarding had been included in the Olympics. Snowboarding is a new sport

=>

2. Do you know a restaurant? We can have a good meal there

=>

3. I don't remember the day. I left school on that day

=>

4. She's the woman. She telephoned the police

=>

5. He's the person. He wanted to buy your house

=>

Tìm GTNN của biểu thức: A= |x| + |8 - x|

Cho hàm số y= f(x)= -4 x³ + x

a) tính f(0), f(-0,5)

b) chứng minh f(-a) = -f(a)

Mik cần gấp bạn nào giúp mik với

a) tìm x, y, z

2x = 3y; 4y = 5z và x + y + z = 11

b) tìm x, biết: |x + 1| + |x + 2| + |x + 3|= 4x