Triangle ABC was transformed to be triangle DEF using one transformation. What transformation was performed?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals