B because it’s a random sample and it’s not biased
Answer:
An integer may be +460 because profit means to increase.
So the answer is +460.
Let

Step 
Find 

Divide by
numerator and denominator


Step 
Find 

Divide by
numerator and denominator


Step 
Find 


Divide by
numerator and denominator


In this problem
The geometric sequence formula is equal to

For 
therefore
the answer is
the common ratio for the geometric sequence above is 
Answer:
-1
Step-by-step explanation:
-2/3*-3-3
2-3
= -1