Find the difference.
- 
A. 
B. 
C. 
D. 
Answer: A
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Add or subtract as indicated.35 - 77.84
A. -42.94 B. -112.84 C. -43.34 D. -42.84
Find the angle of least positive measure that is coterminal with the given angle.
A. 
B. - 
C. 
D. 
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
A company produces a new product for which it estimates the annual sales to be 5000 units. Suppose that in any given year 10% of the units (regardless of age) will become inoperative. How many units will be in use after n years? ?
A. 
B. 
C. 
D. 
E. 