Answer:
Your drop down menus have the following choices: 
 
First box: faster than, slower than, at the same rate as. 
 
Second box: greatest x-value, line, y-intercept, slope. 
 
Third box: greater than, less than, equal to. 
 
Fourth box: greatest x-value, x-intercept, y-intercept, slope, origin. 
 
Fifth box: minutes per gallon, gallons per minute. 
 
 
Pool A is filling up slower than Pool B because the slope of the graph of Pool A is less than that of the graph for Pool B. 
 
The slope of the graph tells you the unit rate in gallons per minute.
Explanation: