Answer:
x=-4.36
       
Step-by-step explanation:
 
        
             
        
        
        
Answer:
53 cm.
Step-by-step explanation:
Circumference = pi times diameter 
We are trying to find diameter so rearrange
Circumference/pi = diameter
166.5/pi = 52.998596 
Approximately 53 centimeters of lace
 
        
             
        
        
        
The is increasing by 2 3/8 
So the answer is 12 3/4 miles on Friday 
Hope this helps :)