Answer:
The distance between the points is 6sqrt(5) units
Explanation:
Use the distance formula:
d=sqrt([x2-x1]^2+[y2-y1)^2) where d is the distance between (x1,y1) and (x2,y2)
d=sqrt([-1-5]^2-[-7-5]^2)
d=sqrt([-6]^2-[-12]^2)
d=sqrt(36+144)
d=sqrt(180)
d=6sqrt(5) (since distance is positive)