The answer is (3,2). I did this by drawing a graph, inserting the two midpoints you provided, and put in each potential midpoint, finding (3,2) is the only midpoint that connects to the line.
Answer:

Step-by-step explanation:
because
is 11-4, which is 7. And you don't change the x.
Answer:
The answer is D!
Step-by-step explanation:
hope this helps
Look at the sides of the triangles. find the sides that are corresponding, or matching.