Solve. Simplify the answer.Erika spent 
hr on her computer visiting the History Channel and the Discovery Channel websites. She spent 
hr at the History Channel website. How many hours did she spend at the Discovery Channel website?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: C
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals.
A. 
+ ln 
+ C
B. 
- 
ln 
+ C
C. 
- 
ln 
+ C
D. 
+ 
sin-1 
+ C
Mathematics
Write the equation of the line in slope-intercept form.
A. x = -5 B. x = 5 C. y = 5 D. y = -5
Mathematics
Write the complex number in rectangular form.3(cos 
+ i sin 
)
A. - 
+ 
i
B. - 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
List all possible rational zeros given by the Rational Zeros Theorem. Do not check to see which actually are zeros.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics