Answer:
D
Step-by-step explanation:
a=
 4
4
a=4
 
        
             
        
        
        
Answer:
7(6m - 4) = -364
multiply 7 for both variables in the parenthesis
42m - 28 = -364
move 28 to other side 
42m= -336
divide 42 on both sides
m= -8
 
        
                    
             
        
        
        
Answer:
27/8
Step-by-step explanation:
1.) 4-5/8
Convert element to fraction
2.) 4 x 8/8-5/8
3.) 4 x 8-5/8
4.) 27/8
 
        
             
        
        
        
Answer:
   -1.9
Step-by-step explanation:
The opposite of the opposite is the original number, -1.9. 
It is located at -1.9 on the number line.
 
        
             
        
        
        
<span>In
the given choices, everything can be rounded into nearest tenths.
a. 66.61 – It can be rounded into 66.6
b. 5.055 – it can be rounded into 5.1
c. 4.91 – it can be rounded into 4.9
d. 6.5 – it stays as is.
So everything can be rounded into nearest tenths, however, Letter b. 5.055 is
the only one who were rounded up because the number next to tenths value is 5,
so the rules of rounding must be followed
</span>