Answer:
Step-by-step explanation:
Given
Midpoint is 
Endpoints are
and 
Mid point of any two point is given by

and 
So,


Also



Therefore 
.3478 is the answer, round however you like
Answer:
4
Step-by-step explanation:
You have positive number and it is bigger that negative so your result will be positive too:
7-3=4
Answer:
1
Step-by-step explanation: