Answer:
9.0.
Step-by-step explanation:
 
        
                    
             
        
        
        
2(x+7)
=2x+14
because 2*x=2x and 2*7=14.
        
                    
             
        
        
        
Answer:
As marked, the only true statement is the first one
Step-by-step explanation:
Jeff's mean score is 78   
Dalton's mean score is 77
Jeff's median score is 77
Dalton's median score is 77
 
        
             
        
        
        
The x-intercept is 8
the y-intercept is -10
        
             
        
        
        
Answer:
0.03
Step-by-step explanation:
Calculation for What number did Michael used
Using this formula
Number used=Number of Product recorded/Number multiplied
Let plug in the formula
Number used =0.012/0.4
Number used =0.03
CHECK: 0.4*0.03=0.012
Therefore the number that Michael used is 0.03