A segment has endpoints with coordinates (2,-7) and (5,1). Find the length and midpoint of the segment.
A) L= the square root of 73, (3.5,-3)
B) L= the square root of 97, (3.5,-4)
C) L= the square root of 97, (3.5,-3)
D) L= the square root of 55, (3.5,-3)