Answer:
-11.25
Step-by-step explanation:
x^2 - x - 6= 0
(x - 3) ( x + 2) = 0
Equating
x - 3 = 0
x = 3
x+ 2= 0
x = -2
$286
396/18 = $22 per hr x 13 hrs = $286
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