Answer:
(2.5, -1.3)
Step-by-step explanation:
You need the midpoint formula.
remember it is
midpoint = ( (x + a)/2 , (y + b)/2 ) for two points (x, y) and (a, b)
so (3.5, 2.2) and (1.5, -4.8)
(3.5 + 1.5)/2 , (2.2 + -4.8)/2 = ( 5/2, -1.3) = (2.5, -1.3) choice c