Match the situation in Column A with its addition expression in Column B.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
The temperature drops 12 degrees then rises 12 degrees. | arrow_right_alt | |
A fish swims 12 feet below sea level and then another 12ft deeper to avoid a shark. | arrow_right_alt | |
Pat takes 12 steps forward and then 12 steps back. | arrow_right_alt |

What is the scale factor from the smaller rectangle to the larger rectangle?
A scale factor is _______.

Select the corresponding sides. Select all that apply.