Final answer:
The slope of the expression 24.8/1994 25.9/2006 is 0.0917.
Step-by-step explanation:
The slope of a line is defined as the ratio of the change in the y-coordinates to the change in the x-coordinates between two points on the line.
To find the slope of the given expression 24.8/1994 25.9/2006, we need to calculate the change in y-coordinates and change in x-coordinates.
The change in y-coordinates is 25.9 - 24.8
= 1.1
The change in x-coordinates is 2006 - 1994
= 12
Therefore, the slope of the expression is 1.1/12
= 0.0917