B + 12.5x = 400, where b is the base salary and x is the amount of subscriptions he needs to sell.
The sum (for all polygons) of the exterior angles are 360. So, 360/11 is 32.72
hope this helps!
Answer: The correct option is (c). 
Step-by-step explanation: We are given to select the correct basic identity that we will use to verify the following:

We have

In order to verify the given trigonometric equation, we must have

Thus, the required identity that we will use is

Option (c) is CORRECT.
Answer:
5.5
Step-by-step explanation:
1, 2, 5, 5, 6, 8, 9, 9
5+6=11
11 divided by 2= 5.5