Write as a percent. Round the percent to the nearest tenth if necessary.
A. 11.1%
B. 21.1%
C. 190%
D. 2.1%
Answer: B
Mathematics
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Use the ratio test to determine if the series converges or diverges.
A. Converges B. Diverges
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Solve the problem.The disk (x - 4)2 + y2 ? 1 is revolved about the y-axis to generate a torus. Find its volume. (Hint: 
= 
?, since it is the area of a semicircle of radius 1.)
A. 8?2 B. 2?2 C. 4?2 D. 4?
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Solve the problem.A square with sides of length 92 is inscribed in a circle and circumscribed about another circle. What is the area between the circles?
A. 2116 B. 4232? C. 2116? D. 46?
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Identify the leading term and leading coefficient of the polynomial.-a + 7a3 - 4a7 + 5a2
A. -4a7, -4 B. 5a2, 5 C. 7a3, 7 D. -a, -1
Mathematics