Divide all the ratios and compare:
8/12 = 0.666
15/10 = 1.5
2/3 = 0.666
6/9 = 0.666
The one that isn't equivalent is 15 over 10
 
        
                    
             
        
        
        
Answer:
the first one 
Step-by-step explanation:
yellow line is an exponential graph
blue line is a log graph 
the purple in the middle is a sort of "combo" of the two
 
        
                    
             
        
        
        
Answer:
m > 1
Step-by-step explanation:
Minus 6 from both side
m = 1
 
        
             
        
        
        
To the nearest inch it'll be 
d×3.14=63
= 20 inches
 
        
             
        
        
        
Answer:
x=4
y=1
Step-by-step explanation:
4x=7y+9
4x+y=17
7y+9+y=17
8y=17-9
8y=8
y=1
so 
4x=7*1+9
4x=16
x=16/4
x=4