I think it'd be better if you gave us some sort of diagram with it?
The slope (increase) is 0.26 and the y-intercept (start) is 67.6.
You could describe the temperature outside using this equation.
For example, at the beginning of the day, the temperature was 67.6. Then, it increase by 0.26 degree for every given amount of time (minutes or hours).
Nothing just lay in bed all day on my phone-
7, you divide the 14 by 2 because the qr is two times the length of gh, therefore 7 is two times the length of fh