Answer:
D
Step-by-step explanation:
 
        
             
        
        
        
Answer: 41.832
Step-by-step explanation: 
I like to write decimals without decimals when multiplying. for this I would do  
3486 x 12 which equals 41832 then You would move the decimal up from 3 spaces from the 2 from 41832 which would put the decimal between the 1 and 8 
 
        
             
        
        
        
        
Answer:
x = 2
Step-by-step explanation:
4x +4=12
     -4.   -4
    4x.= 8
  divide both saide by 4
 x. = 2
 
        
             
        
        
        
Answer:
No
Step-by-step explanation:
No.
i = prt is correct; its result is the simple interest earned.  
If you want to solve for time, t, divide both sides by pr:
i/(pr) = t