20 the scatter plot shows the relationship between the time since martha has left work and the distance she is from home. the equation for the line of best fit is y = -0.7x + 14.6 what does the slope of the line of best fit represent? a) on average each minute martha gets approximately 0.7 miles closer to home. b) on average each minute martha gets approximately 0.7 miles father from home. c) when martha first leaves work she is approximately 0.7 miles from home. d) when martha first leaves work she is approximately 0.7 minutes from home.