Answer:
(6.75,9.75)
Step-by-step explanation:
To find the x coordinate of the midpoint add the x coordinate of the endpoints and divide by 2
(4.5+9)/2 =13.5/2=6.75
To find the y coordinate of the midpoint add the y coordinate of the endpoints and divide by 2
(7.5+12)/2=19.5/2=9.75
(6.75,9.75)
