Solve the problem.A fire truck is en route to an address that is 6 blocks east and 11 blocks south of the fire station. Using the fire station as the pole and the east direction as the polar axis, express the fire truck's destination in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (4.12, -28.61°)
B. (12.53, -61.39°)
C. (12.53, -28.61°)
D. (4.12, -61.39°)
Answer: B
Mathematics
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Solve the problem.Suppose a life insurance policy costs $20 for the first unit of coverage and then $5 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
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Solve the equation on the interval 0 ? ? < 2?.2 cos(2?) = 
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