Answer: 5
Explanation:
Distance between two points (x1,y1) and (x2,y2) is calculated by the formula:
d = √ ((X2-X1)^2+(Y2-Y1)^2)
d = √(7-12)^2+(6-6)^2
d = √((-5)^2+(0)^2)
d = √(25+0)
d = √25
d = 5
The distance between the points is 5.
I hope this helps