The correct answer are A. and B.
Good luck!!!
Answer:
it would be 6 and 10
Step-by-step explanation:
Here are the answers:
1.) DC=D’C’
2.) 3.) ED=E’D’
Answer: 
Step-by-step explanation:
We need to use the following formula to find the Midpoint "M":

Given the points (-5,13) and (6,4) can identify that:

The final step is to substitute values into the formula.
Therefore, the midpoint of the segment between the points (-5,13) and (6,4) is:

Answer:
6x+3
Step-by-step explanation:
If you're just combining like terms this is the correct answer