A.
Point A is (2,7)
Point B is (-4,6)
Point D is (-3,-3)
Point E is (0,2)
Point F is (7,-7)
B.
From the middle, go 4 to the right and then 7 down, then draw a dot there and label it G.
C.
From the middle again, go 6 to the left then 6 down, draw a dot there and label it H.