Pls help me find the area

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units