Answer: 
Step-by-step explanation:
We have the following function:

And we have to evaluate it when
, this means we have to substitute
by
:

Solving:

Finally:

I might be wrong.
I guess that in total all the angles equal to 180, that being said...
m∠BAC = 79
Answer: B
Step-by-step explanation:
Answer:
wow
Step-by-step explanation:
thats hard ikd
Answer:
1/16 or 0.0625
Step-by-step explanation:
Divide 20 by 320 and you get 1/16 or 0.0625