Find the length of the curve.x = 7 sin3 t, y = 7 cos3 t, 0 ? t ? ?
A. 42
B. 21
C. 7
D. 14
Answer: B
Mathematics
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Find the derivative.y = 
A. 
B. 
C. 
D. 
Mathematics
Find the standard deviation for each data set. Round to one more place than the data.22, 29, 21, 24, 27, 28, 25, 36
A. 4.8 B. 1.6 C. 4.2 D. 2.8
Mathematics
Evaluate the absolute value expression.
A. 1 B. 11 C. 13 D. 17
Mathematics
Determine algebraically whether the graph is symmetric with respect to the x-axis, the y-axis, and the origin.x4 + y4 = 8
A. Origin only B. y-axis only C. x-axis only D. x-axis, y-axis, origin
Mathematics