Answer:
1.8940279x10^9+27
Step-by-step explanation:

Your answer will be A because you have to get the sum of 4 and 8 and then divide by 2. Which is 6 for the x coordinate. The you need to take the sum of -5 and -1 and then divide by 2. Which is -3 for the y coordinate. So the answer is (6,-3).
Answer:
1.24 would be the best option for your question