Respuesta :

ChoiSungHyun

Step-by-step explanation:

Each space between 2 lines represent 6 units. (from -6 to 0 is 6 units, from 0 to 6 is 6 units)

Since the blue dot is 3 spaces to the right of 0, it is 3 * 6 units = 18.

The value of the blue dot is 18.