Solve the proportion and check.
= 
A. -18
B. 10
C. 
D. 126
Answer: A
Mathematics
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Solve the linear equation symbolically.10(x - 40) = 20
A. 42 B. 38 C. 40 D. 20
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Find the indicated term of the binomial expansion.(2x + 4)3; 3rd term
A. 384x B. 192 C. 96x D. 48x2
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Solve.x2 - 169 = 0
A. -13, 13 B. 84.5 C. -14, 14 D. 13
Mathematics
Solve the problem.A wildlife researcher is monitoring a black bear that has a radio telemetry collar with a transmitting range of 16 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 = 16 B. x2 + y2 = 256 C. x2 - y2 = 16 D. x2 + y2 = 32
Mathematics