Answer:
7854 cm²
Step-by-step explanation:
3.14 x 50² = 7850
X would equal 81 because the square root of 81 is 9.
9 x 9 = 81
Malia : y = 8.1x.....this tells me she makes 8.10 per hr worked
Bill : if he earned 144.90 for working 18 hrs.....144.90/18 = 8.05 per hr worked.
so Malia makes 5 cents more per hr worked.
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