Find the determinant.det 
A. 45
B. -45
C. 40
D. -50
Answer: B
Mathematics
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Find the length of the parametric curve defined over the given interval.x = 3 sin3 t, y = 3 cos3 t, 0 ? t ? ?
A. 6 B. 18 C. 3 D. 9
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Solve the problem.The following information on Company X appears in a stock table. Find the change from the previous day for Company X.
A. 12 cents per share lower B. 3.4 cents per share lower C. 12 cents per share higher D. 3.4 cents per share higher
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Use the summation properties to evaluate the series. The following rules may be needed: 
.
A. - 3108 B. - 259 C. - 1036 D. 623
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Use the quotient rule to simplify the expression. Use positive exponents to write the answer.
A. 83
B. 
C. 89
D. 
Mathematics