Examine by calculating whether the point [[$(-4, 2)$]] is the midpoint of the segment line AB when

a) A [[$= (-8, -1)$]] and B [[$= (0, 5)$]]
Yes
No

b) A [[$= (-10, -2)$]] and B [[$= (7, -5)$]]
Yes
No

c) A [[$= (-2, 1)$]] and B [[$= (-6, 3)$]]
Yes
No