Solve the problem.Find the distance in kilometers between the cities whose latitudes are given. Assume that the cities are on a north-south line and that the radius of the earth is 6400 km. City E, 39°N and city F, 9°S
A. 3343 km
B. 5370 km
C. 3351 km
D. 5362 km
Answer: D
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Solve the problem.The number of gallons of water in a swimming pool t minutes after the pool has started to drain is 
How fast is the water running out at the end of 10 minutes?
A. 2500 gal/min B. 1000 gal/min C. 500 gal/min D. 5000 gal/min
Solve the problem.Ray's gross pay is $320.40 a week. $46 is withheld for federal income tax, $24.06 for FICA tax, and $11.21 for other deductions. How much of his pay is left?
A. $81.27 B. $239.13 C. $401.67 D. $229.13
Use the compound interest formula to determine the final value of the given amount.$14,000 at 12% compounded semiannually for 8 years
A. $34,663.48 B. $35,564.92 C. $33,551.81 D. $21,564.92
Solve the problem.Nikki is fishing from a bank 32 feet above water level. In this location, the fish tend to feed at 44 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. -32 feet B. -12 feet C. 12 feet D. 76 feet