Answer:
![slope=(1)/(6)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/13e59m1s931tfwxav9ljttyzc4mvozh7re.png)
Explanation:
Slope is the fraction, or ratio, of the vertical change over the horizontal change of two sets of data. In this case, the slope is the rate at which the house rises over expands:
![slope=(vertical)/(horizontal)=(2)/(12)=(1)/(6)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ablmme6bdlqal3d2mbizne263ji3b7yg9c.png)
Simplifying the fraction to simplest form gives an overall rate of 1/6 ft.