Simplify.
A. 13
B. 21
C. 6
D. 78
Answer: C
Mathematics
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Evaluate the integral.
A. 
sec3x sinh (ln 
) + C
B. sinh (ln 
) + C
C. sinh(tan x) + C
D. 
sec3x sinh(tan x) + C
Mathematics
Write the percent in decimal format.67%
A. 0.56 B. 0.067 C. 0.67 D. 6.7
Mathematics
Find the focus and directrix of the parabola with the given equation.y2 = -28x
A. Focus: (7, 0), directrix: x = -7 B. Focus: (-7, 0), directrix: x = 7 C. Focus: (0, -7), directrix: y = 7 D. Focus: (0, 7), directrix: y = -7
Mathematics
Use DeMoivre's Theorem to find the indicated power of the following complex number. 
a. 32
b. 64
c. 
d. 
e. –64
Mathematics