What is the midpoint of OA ?
A: (2m, n)
B: (m, n)
C: (m – n, 0)
D: (m, 2n)

Answer:
(m,n)
Step-by-step explanation:
Since O is at the origin, we can take the coordinates of point A and divide them by 2 to find the midpoint
( 2m/2,2n/2)
The midpoint is at (m,n)