Write a signed number for the statement.11-pound loss
A. 11 lb
B. -11 lb
Answer: B
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One model for expenditures at high schools gives the cost C, in dollars per pupil, as a function of the number n of students enrolled. The relationship is
.
?
Find the enrollment and cost that correspond to the minimum cost per pupil. Round your answers to the nearest whole number.
A. An enrollment of 1909 gives a minimum cost of $340 per pupil. B. An enrollment of 340 gives a minimum cost of $1909 per pupil. C. An enrollment of 1911 gives a minimum cost of $344 per pupil. D. An enrollment of 344 gives a minimum cost of $1911 per pupil.
Solve the problem.Find the salary in 2005 dollars that would be equivalent to a $50,000 salary in 2016. Assume an average annual inflation rate of 2% between 2005 and 2016. Round your answer to the nearest cent.
A. $41,017.41 B. $40,213.15 C. $42,025.50 D. $38,107.24 E. $39,568.35
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.csc 
A. -1 B. undefined C. 0 D. 1
Perform the indicated operation and write the answer in lowest terms. 
+ 
A. 
B. 
C. 
D. 