Is the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10} a group for multiplication modulo 11?
?
?
A. No
B. Yes
Answer: B
Mathematics
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Find d2y/dx2 without eliminating the parameter.x = cot t - 3, y = 11 csc t - 2, 0 < t < ?
A. 
B. 11 sin t cos2t
C. 11 sin3t
D. 
Mathematics
The figure below shows a simplified pattern for a wrap skirt that is 20 inches long and has a top hem of 57 inches. The bottom hem has a length of 63 inches. Suppose you decide to alter the pattern to make a wrap skirt with the same top hem length but a length of 27 inches. How long should be the bottom hem?
?
A. 65.51 inches B. 64.05 inches C. 63.17 inches D. 65.10 inches
Mathematics
Use a scientific calculator to approximate the common logarithm. Round to four decimal places.log 148
A. 2.1703 B. 4.9972 C. 2.1673 D. 2.1732
Mathematics
Simplify.(x9)3
A. x27 B. x12 C. 3x27 D. 3x9
Mathematics