The answer is 10.
4 a + 5 b when a = 4 and b = - 1.2
 
        
                    
             
        
        
        
Answer:
-27÷(-3)-9
=0
Step-by-step explanation:
 Hope this helps you.
 
        
             
        
        
        
Answer:
The only answer that would work would be D) | 4.8 - ( -2.3) |
Step-by-step explanation:
This is because the distance is the absolute value of the difference of the two numbers. B and C would also work, but the 2.3 is not negative. A does not work because it is addition. 
 
        
             
        
        
        
Answer:
75%
Step-by-step explanation:
It went down by 3 so,
4-1=3
4 * 75% or 0.75=3
 
        
             
        
        
        
Domain:
We know that 
domain is all possible values of x at which y is defined
so, all given x-values in this table is domain 
so, domain is {-2, -1, 0, 1, 2, 3}...........Answer
Range:
We know that 
range is all possible values of y at which x is defined
so, all given y-values in this table is range 
so, range is {-3, -1, 1, 3,5, 7}...........Answer