Answer:
minimum 380 student tickets must be sold. 
Step-by-step explanation:
c) 500x7=3500
intended  =5400 
5400-3500=1900 
1900/5= 380 
 
        
             
        
        
        
12a + 6 + 3a = 15a + 2
15a = 15a - 4
0 = - 4
        
                    
             
        
        
        
Answer:
i beleive it is c 
Step-by-step explanation:
not completly sure
 
        
                    
             
        
        
        
okay so you have 1/4 and 5 1/2 
make 5 1/2 a improper fraction
so you now have 1/4 and 11/2
now do 

I hope this helps you 
I feel bad study island is the worst!
 
        
                    
             
        
        
        
9514 1404 393
Answer:
   -1/7
Step-by-step explanation:
To find the x-intercept, set y=0 and solve for x.
   0 = 7/4x +1/4
Multiply by 4/7
   0 = x + 1/7
Subtract 1/7
   -1/7 = x
The x-intercept is -1/7.
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In decimal, that is -0.142857... (6-digit repeating decimal)