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Need help???????????????

Need help???????????????-example-1
User Hasanavi
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1 Answer

4 votes

Answer:

20. B, 21. A

Explanation:

20

when the line is straight, he is not inflating the ball. Therefore he took a brake during those intervals

21

point AB went up the fastest, meaning he inflated the most during that time.

User Anurag Kumar
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8.7k points