Answer:
1) 0.53
2) 0.1615
Step-by-step explanation:
1) ______ + 0.37 = 0.9
 ______ = 0.9 - 0.37 = 0.53
2)______ - 0.0369 = 0.1246
 ______ = 0.1246 + 0.0369 = 0.1615
 
        
                    
             
        
        
        
The Answer would be x=72. Why? Because 

 is your %.  You Cross multiply 240 * 30 = 100x
240 time 30 = 7200. you want x to  be alone so you do 7200 divided by 100 equaling 72. So you get x=72. 
 
        
        
        
Answer:
-
Step-by-step explanation:
becuase (-3)(-4) will give you a positive and when you mutipy it with the 5 and 6 you will still get postive but when you multiply with -7, you will get a negitive 
 
        
                    
             
        
        
        
Answer:
1.6
Step-by-step explanation:
Since y = 8
And x = 5,
You divide both values by the X Value
8 divided by 5 = 1.6
5 divided by 5 = 1
the ratio is 1:1.6
So the constant is 1.6