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The equation (x – 5)2 + (y – 7)2 = 81 models the position and range of a cellular...
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Mathematics, 03.04.2020 01:53 lilybear1700
Please help
The equation (x – 5)2 + (y – 7)2 = 81 models the position and range of a cellular phone tower. What is the range of the tower?
A: 18 units
B: 9 units
C: 27 units
D: 81 units
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