Answer: 40 
Step-by-step explanation:
* Hopefully the work below helps:) Mark me the brainliest:)!!
<em>∞ 234483279c20∞</em>
 
        
             
        
        
        
 Answer:
-6
-21
12
Step-by-step explanation:
can i get brainly 
 
        
                    
             
        
        
        
Answer:
39 active volcanoes.
Step-by-step explanation:
Subtract 169 (whole) from 130 (part). 9 - 0 = 9, 6 - 3 = 3, and 1 - 1 = 0. Therefore, 169 - 130 = 39
 
        
                    
             
        
        
        
Answer:
6 mph
Step-by-step explanation:
Difference in distance 
= 15 - 12 
= 3 mi
time taken 
= 30 mins
= 1/2 hour
Speed
= 3 ÷ 1/2 
= 6 mph
 
 
        
             
        
        
        
Erm..
9 I guess..
Good luck?