Given:
A triangle ABC.
The given expression for b is:
To find:
The expression that is equivalent to b.
Solution:
According to the Law of Cosines,
It can be written as:
...(i)
We have,
...(ii)
On comparing (i) and (ii), we get
Therefore, the required values are 
.
Answer:
b
Step-by-step explanation:
There would be a a row of seven and would be 9 in each row
Answer:
Domain: {all real numbers}
Range: {y≥-2}
Step-by-step explanation:
The domain is all real numbers because it continues on and on forever due to the arrows. The range is y≥-2 because the range is anything from -2 and higher. Hope this helps!
