The question ask on which of the following in you choices is the equation that best compares the slops of the two function and the best answer would be letter D. Slope of function B = - Slope of Function A, I hope you are satisfied with my asnwer and feel free to ask for more
The reflex angle is the other angle
see image below
so
reflex=360-angle
reflex=360-60=300
reflex angle=300
Subtract 469 from 576
576
-469
--------
107