Neee help with 14 I don’t get it

Answer:
d
Step-by-step explanation:
The midpoint is the average of the coordinates of the 2 oak trees
The coordinates are
(3, 6 ) and (7, 3 ) , then
midpoint = ( [tex]\frac{3+7}{2}[/tex], [tex]\frac{6+3}{2}[/tex] ) = ( [tex]\frac{10}{2}[/tex] , [tex]\frac{9}{2}[/tex] ) = ( 5, 4.5 ) → d