draw in the line, here are the points
The answers are:
1) 
2) 
3) 
The explanation for this answer is shown below.
1. To solve this problem you must apply the following proccedure:
2. You have the function 
3. You must switch
and
and then solve for
:

4. Finally, you obtain:

Answer:
law of cosines
c^2=(5)^2+(12)^2-2(5)(12)cos72
Answer: If you're talking about hundreds, then its 7.
But if you're talking about hundredths, then its 9
Step-by-step explanation: