The last one is correct because the line is not going up or down it’s every where so it’s the last one
The given problem can be exemplified in the following diagram:
The perimeter of a figure is the sum of all of its sides, therefore, the perimeter of the figure is:

Adding the terms:

therefore, the perimeter is 54 feet.
It would be option two because you would be heating your house more if it was colder.
The sequence of transformations that could have been used to transform triangle ABC to produce triangle A"B"C" is B.Triangle ABC was reflected across the y-axis and then translated 7 units down.