Evaluate the determinant.
A. -63
B. 21
C. -67
D. 63
Answer: A
Mathematics
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Evaluate the improper integral.
A. 
(1 - ln 2)
B. 
(1 - ln 2)
C. 
(1 - ln 2)
D. 
(1 - ln 2)
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Solve the equation after making an appropriate substitution.3(x + 1)2 + 5(x + 1) + 2 = 0
A. 
B. 
C. 
D. 
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Solve the problem.During one year, the Cheung's real estate bill included $276 for county services. Of this amount, $118 went to the highway department. What percent did the county highway department receive? (Round answer to two decimal places.)
A. 42.39% B. 57.25% C. 3256.80% D. 42.75%
Mathematics
Solve the formula for the specified variable.A = P(1 + nr) for r
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics