The independent variable is the one you change to get your dependent variable. in this case, the independent would be the number of quarters you have
The answer would be saturday because you must continue adding five
15% of 24000 is 3600
24000-3600 = $20,400
When:
a = b = 0 we have point (0,0).
a = 0 and b ≠ 0 vertical line segment from (0, -b) to (0, b)
a ≠ 0 and b = 0 horizontal line segment from (-a, 0) to (a, 0)
a ≠ 0 and b ≠ 0 a ≠ b ellipse
a ≠ 0 and b ≠ 0 a = b circle