Answer:
B. 
Step-by-step explanation:
Let
, we solve for
by algebraic means.
1)
Given
2)
Definition of power/Symmetry of equality
3)
Compatibility with addition/Commutative and associative properties/Existence of additive inverse/Modulative property
4)

5)
Result
Hence, the correct answer is B.
Consider expression 
1. Use property

Then

2. Use property

Then

3. Use property

Then

4. Use property

Then

Answer: correct option is B.
Answer:
B
Step-by-step explanation:
Circumference is equal to 


Answer:
1.6875 2/3's are in 9/8.
Step-by-step explanation:
(9/8)/(2/3)=1.6875
I think the range is the set of ordered pairs