Answer:

Step-by-step explanation:
Given
See attachment for graph
Required
The unit cost
Pick any point on the dots of the graph; we have:

The unit cost is then calculated as:


 
        
             
        
        
        
Answer:
C
Step-by-step explanation:
Well, anything multiplied by zero is zero.
If you multiplied 0 by 143, you wouldn't get anything because you're not multiplying with another number that can be multiplied by.
 
        
                    
             
        
        
        
Answer:
94
Step-by-step explanation:
Given the addition problem:
58 + 36
We can form a table :
 5 _______ 8
+
 3 _______ 6
 9 4
Hence, (58 + 36) = 94
 
        
             
        
        
        
Since the photo booth charges a $500 fee for two hours at the party and an additional 50 dollars per hour, we have:
50x+500=C
Where x is the hours stayed and C is the total cost. Since Cindy doesn't want to spend more than 700 dollars, we have:

So she spent an additional 4 hours on the rental.