The will be (3x - 2) x (3x + 2) x (9x2 + 4)
        
                    
             
        
        
        
Answer:
second option
Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
4+1m?? I’m pretty sure
Step-by-step explanation:
 
        
             
        
        
        
Answer:
4 hours
Step-by-step explanation:
The general formula for distance, rate and time is: 
d = rt, where distance is the product of rate multiplied by time 
Given that one train is moving at a rate of 70 mph and one is moving at a rate of 62 mph in the opposite direction, the combined distance over time is equal to 528 miles.  Using the variable 't' for time: 
70t + 62t = 528 
Combine like terms: 132t = 528 
Divide both sides by 132: 132t/132 = 528/132  or t = 4 hours 
 
        
                    
             
        
        
        
The answer is C
So how?
I multiplied 48*.19= 9.12 then subtracted that from 48 and got 38.88 which rounds to 39
C is the answer
I hope this helps! :D