Answer:
1 gallon = 16 cup
Step-by-step explanation:
Gallon is a larger measurement unit than cup.
 
        
                    
             
        
        
        
Answer: Choice D.  15 - (-18)
This results in 15 - (-18) = 15 + 18 = 33.
So from -18 to 15 on a number line is 33 spaces.
We can also say 
|-18 - 15| = |-33| = 33
The use of absolute value is to ensure the distance is never negative.
 
        
             
        
        
        
Answer: The "?" would equal 1.
Step-by-step explanation: This is simply a line with a slope of 1 and a y-intercept of zero.