Question 49694
hours:     10     15     20     25 (independent variables)
amount:    70     105    140    175 (dependent variables)
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Points (x, y): (10, 70) (15, 105), (20, 140) (25, 175)
x = the independent variable.  Time is not dependent on anything.
y = the amount of pay (dependent variable) is dependent upon the amount of time worked.
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The amount of pay (dependent variable) increases with the amount of hours (independent variable) worked.  The amount of hours DOES NOT increase with the amount of pay.