Answer:
or 
Step-by-step explanation:
we know that
Applying the law of cosines

In this problem we have

c is the length of the third side
Substitute




or 
P = 16 because if u add 4 to 14 you will get 18 and minus 2 from it to get 16
Number of coin flips
Number of books published
Distance walked, rounded to the nearest kilometer
A): 2013 = 149.32
Find difference of: 194.31
2014 = 194<u>.31</u> <u>149.32</u>
= <u>44.99</u>
<u>2015</u> Total Will Be:
B):
149.32 + 25 = 174.32
(2013)
<h3> 174.32 + 44.99 = 219.31</h3>
(B) (A)
Answer:
0
Step-by-step explanation:
So lets imagine x as our number
Let's make an equation:

So, This would mean that the average of two opposite numbers is always 0
Hope this helps!
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