Solve the problem.A woman walks 100 yards eastward along a straight shoreline and then swims 30 yards southward into the ocean on a line that is perpendicular to the shoreline. Using her starting point as the pole and the east direction as the polar axis, give her current position in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (104.40, -16.70°)
B. (11.40, -16.70°)
C. (104.40, -88.28°)
D. (11.40, -88.28°)
Answer: A
Mathematics
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Write the number in decimal notation.A chemical reaction consumes five and nine ten-thousandths grams of oxygen.
A. 5.009 g B. 5.9 g C. 5.0009 g D. 5.00009 g
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A. 4096 B. 24 C. 512 D. 64
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Solve the problem.A car rental company has two rental rates. Rate 1 is 
per day plus 
per mile. Rate 2 is 
per day plus 
per mile. If you plan to rent for one day, how many miles would you need to drive to pay less by taking Rate 2?
A. More than 1000 miles B. More than 900 miles C. More than 1800 miles D. More than 450 miles
Mathematics