Find the Missing Coordinate

Question 1:

A is the coordinate (0,-5) and B is (-3,-3), find the midpoint.
(-1.5,-4)

Question 2:

A is the coordinate (-5,6) and B is (-1,10), find the midpoint.
(-3,8)

Question 3:

A is the coordinate (5,8). If the midpoint of A and B is (5,6.5), find B.
(5,5)

Question 4:

A is the coordinate (-9,7). If the midpoint of A and B is (-7.5,3.5), find B.
(-6,0)

Question 5:

A is the coordinate (2,-3) and B is (-5,-4), find the midpoint.
(-1.5,-3.5)

Question 6:

A is the coordinate (-5,-1) and B is (-7,-7), find the midpoint.
(-6,-4)