Simplify the expression. 
A.
| sec x |
B. csc x
C. sin 2 x
D. tan x
Answer: A
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 1.157 B. 4.157 C. -1.157 D. 3.103
Mathematics
Multiply and then, if possible, simplify by factoring.
A. 
B. s
C. s2
D. 
Mathematics
Write an equation for the parabola.
A. x2 = 4y B. y2 = -4x C. y2 = 4x D. x2 = -4y
Mathematics
Consider a sample of paired data which gives a linear correlation coefficient r. Use the table to determine whether there is a significant linear correlation.
?
?
?
The linear correlation is __________ (significant, not significant).
Fill in the blank(s) with the appropriate word(s).
Mathematics