Final answer:
To determine if two lines are parallel, compare their slopes. Lines m and n have the same slope, so they are parallel.
Step-by-step explanation:
To determine if two lines are parallel, we need to compare their slopes. The slope of a line can be found using the formula: Slope = (change in y)/(change in x). For line m, the change in y is 3 - 1 = 2, and the change in x is 8 - 4 = 4. So the slope of line m is 2/4 = 1/2. For line n, the change in y is 7 - 1 = 6, and the change in x is 4 - (-8) = 12. So the slope of line n is 6/12 = 1/2. Since both lines have the same slope, we can conclude that lines m and n are parallel.