Answer:
6%
Step-by-step explanation:
$156/5 years = $31.20 per year
$31.20/$520 = .06
.06 x 100 = 6%
 
        
             
        
        
        
Answer:
224
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
- 4 and 1 are roots. 
Therefore, (x + 4) & (x - 1) are factors and 5 is leading coefficient. 
Therefore, required quadratic equation is:

 
        
             
        
        
        
Answer:
i don't know sorry im just answering so i could ask question