The ordered pairs are connected to form a line segment. What is the length of each segment? What quadrant(s) is the segment found within? M=(2,4) and N=(2.7)

A. 3 units; Quadrant 2
B. 3 units; Quadrant 1
C. 6 units; Quadrant 3
D. 4 unites; Quadrant 4

Can someone walk me through the steps to figure this out?