Answer:
z=44/3
Step-by-step 
Subtract the numbers 52-12=40
3z-4=40
Add 4 to both sides
3z-4+4=40+4
SImplify
3z=44
Divide both sides by 3
3z/3 = 44/3
z=44/3 or decimal form= 14.66
 
        
             
        
        
        
Answer:
On a standard running 400-meter track a mile is 4 laps… plus 9 more meters if you want to get all technical about it. A mile is specifically 1,609.3 meters.
Step-by-step explanation:
 
        
             
        
        
        
A crest a scatteroy displaying the data in the table. Be sure to include a linear trend line
        
                    
             
        
        
        
Answer:
I really don't know how to work this problem sorry. I just wanted to say something so you didn't think that I was Ignoring you