Answer:
$672
Step-by-step explanation:
First find the total money earned in 40 hours.
15 x 40 = 600
Now find 12% of 600.
600 x 0.12(12%) = 72 dollar raise
600 + 72 = 672 total
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mode = 3
range = 6
mode = most
range = greatest number - least number
The parabola vertex is B. (2,2)
Explanation in photo provided.