Respuesta :

YoonseoKim1212
The constant rate of change is 2
(The y intercept is 20 so subtract 20 from the y and divide by 2 to get your x)
SahabNayyar

Answer:

2

Step-by-step explanation:

Since with every 10 seconds, the distance increase by 20 meters

hence, 20/10 = 2

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