Identify the base used in the computation.
= 42
A. Base ten
B. Base five
C. Base four
D. Base six
Answer: B
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Multiply and simplify if possible.
A. 5x
B. 25x
C. 5
D. 
Solve.In a distant solar system the diameter of planet A is 7 times as great as the diameter of planet B. The diameter of planet B is 807 miles. Find the diameter of planet A.
A. 5642 mi. B. 5549 mi. C. 5639 mi. D. 5649 mi.
Use the information given in the figure.
How many are in B and C?
A. 4 B. 56 C. 44 D. 6
Solve the problem.A wildlife researcher is monitoring a black bear that has a radio telemetry collar with a transmitting range of 30 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 = 60 B. x2 + y2 = 30 C. x2 - y2 = 30 D. x2 + y2 = 900