Yo has to factor since we assume that
if you have xy=0, x and y=0
7n^2-48n+36=0
trial and error
(7n-6)(n-6)=0
set each to zero
7n-6=0
add 6
7n=6
divide  7
n=6/7
n-6=0
add 6
n=6
n=6/7 or 6
        
             
        
        
        
Answer:21
Step-by-step explanation:
 
        
                    
             
        
        
        
0.03 you just times it by ten or if its a decimal take away the 0 infront of it
        
             
        
        
        

I'm not sure why ± that sybol isn't working
all together you can write 

Ughh just ignore the "A" symbol .-.
 
        
             
        
        
        
Answer:
Step-by-step explanation:
-(-)=+
so  -8-(-3)=-8+3
=-5