Answer:
25
Step-by-step explanation:
9 had exactly one pepperoni
16 had both pepperoni 
9 + 16 = 25 had atleast one pepperoni 
 
        
                    
             
        
        
        
Answer:
28/45 
Step-by-step explanation:
Dont worry i also don't feel like doing fractions most the time they can get very annoying when you have to work with a lot of them.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
According to the graph, the y int is at 100
so that is the starting point
Then at 1 it is at 50
 is 2 so that means it is reduced by half
 is 2 so that means it is reduced by half
Just to make sure,  is also /2 so that means it is the slope
 is also /2 so that means it is the slope
Since it is a decay, the slope has to be less than one so you get the reciprecol of 2 to get....

 
        
             
        
        
        
Answer:
Step-by-step explanation:
x= -1 or x=3
 
        
             
        
        
        
Answer:
x = 4
Step-by-step explanation:
2x-3+4x=21
Isolate the variable by dividing each side by the factors that don't contain the variable