Answer:
3/2
Step-by-step explanation:
-1.5
The distance between S and T is
4 - -7
4+7 = 11
Divide this in half to find the midpoint
11/2 = 5.5
Add this to point S to get the point itself
-7 + 5.5 = -1.5
1, 2, 3, 6, 103, 206, 309, 618
