Find the area of the shaded regions. Use ? ? 3.14 and round to the nearest tenth.
A. 803.8 m2
B. 87.9 m2
C. 2022.2 m2
D. 2826 m2
Answer: C
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The graph below shows estimated world population for the period 4000 BC - 2000 AD. Note that the logarithm of the world population and not actual population is plotted on the vertical axis. This means, for example, that when the graph reaches 7 on the vertical scale, world population is 107 and when the graph reaches 9 on the vertical scale, world population is 109. Log World Population 
? Year Use the graph to answer the question.During the period 4000 BC to 1000 BC, approximately what was the doubling time for world population?
A. Approximately 3000 years B. Approximately 1000 years C. Approximately 5000 years D. Approximately 23,000 years
Convert the numeral to Hindu-Arabic form.
A. 263,330 B. 292,130 C. 299,330 D. 237,410
Determine if the ordered pair is a solution to the given system.
; (5, 5)
A. Yes B. No
Solve the problem.A rocket tracking station has two telescopes A and B placed 1.8 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What is the distance to the rocket from telescope B at the moment when both tracking stations are directly east of the rocket telescope A reports an angle of elevation of 24° and telescope B reports an angle of elevation of 56°?
A. 3.67 mi B. 0.88 mi C. 2.82 mi D. 1.38 mi