The figure below is a regular hexagon ABCDEF with center O. (P, Q, R, S, T, and U are the midpoints of the sides.)
The image of A under the reflection with axis the line passing through B and E is
A. D.
B. T.
C. Q.
D. C.
E. none of these
Answer: D
Mathematics
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List all subsets or determine the number of subsets as requested.Determine the number of subsets of {4, 5, 6}
A. 7 B. 6 C. 3 D. 8
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Find the first three nonzero terms of the Maclaurin expansion of the given function.f(x) = sin(3?x)
A. 3?x - 
?3x3 + 
?5x5 - ...
B. 3x - 
x3 + 
x5 - ...
C. 3?x - 27?3x3 + 243?5x5 - ...
D. 3?x - 9?3x3 + 
?5x5 - ...
Mathematics
List the factors of the number.63
A. 1, 3, 5, 7, 9, 11, 21, 63 B. 3, 5, 7, 9, 11, 21, 63 C. 1, 2, 3, 7, 9, 21, 36, 63 D. 1, 3, 7, 9, 21, 63
Mathematics
Use a calculator to find the following. Round your answer to four places past the decimal point. ? sec 30°48' ?
A. 1.2872 B. 1.1642 C. 1.0972 D. -0.9662 E. 1.3182
Mathematics