Solve the problem. The following table shows the number of adults in a certain city who approve of the mayor's performance in various years. It also gives the total number of adults in the city in the same years. 
Let p be the percentage of adults in the city who approve of the mayor's performance in the year that is t years since 1980. A reasonable model of the situation is: p = 
Use this model to estimate when 29% of adults in the city will approve of the mayor's performance.
A. 2010
B. 2008
C. 2013
D. 2012
Answer: B
Mathematics
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Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. 
+ 
i
B. 
C. - 
i
D. - 
- 
i
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. - 
B. 
C. 
D. - 
Mathematics
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = -x2 - 10x - 27
A. Maximum: -2 B. Maximum: 2 C. Minimum: 2 D. Minimum: 0
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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
+ 
A. x2 + 36 B. x2 + 36x + 36 C. x2 - 6x + 36 D. x2 + 6x + 36
Mathematics