C. No, this is not a valid inference because she asked only 35 families
        
             
        
        
        
Answer:
9.49
Step-by-step explanation:
Add the price of the chips and salsa to the price of the tacos
 5.50
+3.99
---------------
9.49
 
        
                    
             
        
        
        
Answer:
To know if it is a function see if there are two of the same x-intercept( which makes a vertical line). If there is,then it is not a function.
 
        
                    
             
        
        
        
To factor (q+3)(q+6)
           q^2+6q+3q+18
              q^2+9q+18
              (q+9)(q+2)
        
             
        
        
        
C= (31+7)1/2
Carlos has 19 points
double check 
19•2 = 38-7 = 31