Answer:
C. 72
Step-by-step explanation:
So imagine every straight line you see equals to 180 degrees, so given one side of the angle...180 - 108 = 72
Answer:

Step-by-step explanation:
<u>Composite Function
</u>
Given f(x) and h(x) real functions, the composite function named
is defined as:

It can be found by substituting h into f.
We are given the functions:


It's required to find 
As defined above:

Thus:

Find h(2):

h(2)=0
Now:


B i think because the .50+.2 make the .52 part