Maggie = x years old
Demarco = x + 4
Anna = 3*Demarco
Anna = 3*(x + 4)
Anna = 3x + 12
Hope this helps!
        
             
        
        
        
I think the answer is 3 route 5
First find a perfect square that goes into 45 in this case 9
Then as it's 9x5 simplify the nine to 3 
Hope this helps
        
             
        
        
        
The dot means to times, so in reality it's 74 times 6.
=
444
aka
d
        
             
        
        
        
Answer: -0.5.
Step-by-step explanation:
The constant of variation k for the direct variation is given by:-

The given table:
x  f( x ) 
0   0
2   -1
4    -2
7   -3.5
Then, 

Hence, the constant of variation k for the direct variation is -0.5.
 
        
             
        
        
        
Answer: IXL
Step-by-step explanation: