Answer:
C is the answer. Just plug in the original values on the graph the the equation and it will map out the exact coordinates.
to get his wage for the next day, you would do 18x1.2, which equals 21.6, so he would now be making $21.6 per hour.
It looks like it wants the arc length of the circle from point P to point E. Use the fact that there are 360 deg in a circle being subdivided by the five points of the pentagon.
Add 3n to each side so you get...
9n = 26
Finally, divide by 9 on each side...
9n = 26
_______
9 9
The answer is n = 2.89999