Respuesta :

the answer is B , 2cm every 1 second

Answer:

=2  cm/ sec

Step-by-step explanation:

The unit rate is the distance over time.

We are finding the slope

m = (y2-y1)/ (x2-x1)

One point is (0,0) and another point is (5,10)

m = (10-0)/(5-0)

   = 10/5

   =2  cm/ sec