Answer: B, Each of the sums is 180 degrees.
Step-by-step explanation:
Since a 180 degree angle is always a flat line, and that is the case for this,
Each of the sums is 180 degrees.
G(x) = f(x) +5
= 4^x -6 +5
= 4^x -1
The 3rd selection is appropriate.
Answer is 18
I found it by multiplying 20 by .90
The answer is 12 because 5+7=12
Your answer is 85.555,hope this helped or 85.5 with - over it