1.   What is the constant rate of change between the quantities in the table?
   
    A. -2 gal per minute B. -20 gal per minute
    C. -10 gal per minute D. 2 gal per minute
    Hint

  2.   What is the constant rate of change between the quantities in the table?
   
    A. 5 burgers per person B. 20 burgers per person
    C. 10 burgers per person D. 2 burgers per person
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  3.   What is the constant rate of change shown in the graph?
   
    A. 70 mph B. 65 mph
    C. 130 mph D. 55 mph
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  4.   What is the constant rate of change shown in the graph?
   
    A. 5 B. 3
    C. 4 D. 6
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  5.   What is the constant rate of change shown in the graph?
   
    A. $10 per lawn B. $20 per lawn
    C. $5 per lawn D. $16 per lawn
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