Round the whole number to the given place.In 2005, a company spent $493,749,725 on television advertising. Round this amount to the nearest hundred-million.
A. $400,000,000
B. $500,000,000
C. $493,700,000
D. $493,800,000
Answer: B
Mathematics
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Find the average of the numbers.What is the average of all integers between 4 and 24, inclusive of both?
A. 14 B. 15 C. 294 D. 75
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Solve the problem.Assume that the annual sales of a small manufacturer can be modeled by a linear function and that sales were $11,500 in 1982 and $80,000 in 1987. Let x = 0 represent 1982 and f(x) represent annual sales, and write a formula for f(x).
A. f(x) = 68,500x + 11,500 B. f(x) = 13,700x + 80,000 C. f(x) = 13,700x + 11,500 D. f(x) = 68,500x + 80,000
Mathematics
Find the exact value by using a half-number identity.cos 165°
A. - 
B. - 
C. 
D. 
Mathematics