Answer:
22.75
Step-by-step explanation:
i used a caculator 
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Using Tangent Secant theorem:
(x)² = (2)(2+6)
x² = 2(8)
x² = 16
 
        
             
        
        
        
Answer:
3/2 and -4 
Step-by-step explanation:
that is the answer 
 
        
             
        
        
        
So,
Normally a unit rate will be x per 1y.  Example: 60 miles/1hr.
Therefore, the option with the denominator as 1 would be the unit rate.
The correct option is C.