Answer:
9 buses
Step-by-step explanation:
There are 476 students plus 35 sponsors
476+35=511
The bus holds 60 people the answer is 511 divided 60 = 8.5 so 9 bus..
 
        
             
        
        
        
The general form of an equation is 

. Solving for  (5+X)(5-X)=7 by multiplying the factors and subtratcting 7 on both sides gives the equation 

, so 
A = 1
B = 0
C = -18
 
        
        
        
It's 192, I'm pretty sure. I hope that you get this right! :^)
        
             
        
        
        
Answer:
1d 6.742     1e 6
Step-by-step explanation: By sketching out the graph you can see the positive x intercept to find 1d
You can also replace h with 25 and isolate t to find 1e