Answer:
need to see the graph to answer
Answer:
Some things only need one thing to live, food. While others like us humans need more than one thing to live. We can not fully live in the prospect of freedom until we have gained all of the necessaries of life.
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Answer:
b
Explanation
2h đầu đi được 100km
3h sau đi được 90km
=> AB = 190km đi trong 5h
vận tốc trung bình = 190/5=38km/h
