Solve the problem.A wildlife researcher is monitoring a black bear that has a radio telemetry collar with a transmitting range of 18 miles. The researcher is in a research station with her receiver and tracking the bear's movements. If we put the origin of a coordinate system at the research station, what is the equation of all possible locations of the bear where the transmitter would be at its maximum range?
A. x2 + y2 = 324
B. x2 + y2 = 18
C. x2 + y2 = 36
D. x2 - y2 = 18
Answer: A
Mathematics
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Convert the measurement as indicated. Round to the nearest tenth, if necessary.198 lb to kilograms
A. 209.9 kg B. 89.1 kg C. 435.6 kg D. 502.9 kg
Mathematics
Find the product. Use the FOIL method.(4x - 6)(x + 10)
A. x2 - 60x + 34 B. 4x2 + 34x - 60 C. x2 + 34x + 33 D. 4x2 + 33x - 60
Mathematics
Find the equation of a circle satisfying the given conditions.Center: (0, -2); radius: 
A. (x - 2)2 + y2 = 4 B. (x + 2)2 + y2 = 4 C. x2 + (y + 2)2 = 2 D. x2 + (y - 2)2 = 2
Mathematics
Find the area.Find the area of a square measuring 5
in. on a side.
A. 33
in.2
B. 11
in.2
C. 23 in.2
D. 66
in.2
Mathematics