Simplify the expression.
A. 
B. 
C. 
D. None of these
Answer: A
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals.
d?
A. - 
ln
+ C
B. - 
ln
+ C
C. - 
ln
+ C
D. - 
ln
+ C
Mathematics
Solve the problem.A certain radioactive isotope has a half-life of 462 years. Determine the annual decay rate, k.
A. 0.135% B. 0.195% C. 0.265% D. 0.15%
Mathematics
Convert to a mixed numeral.
A. 7
B. 8
C. 8
D. 9
Mathematics
Find all integer factors of the given number.42
A. -42, -14, -6, -7, 7, 6, 14, 42 B. -42, -21, -14, -6, -7, -3, -2, -1, 1, 2, 3, 7, 6, 14, 21, 42 C. -42, -28, -14, -6, -7, -3, -2, -1, 1, 2, 3, 7, 6, 14, 28, 42 D. -42, -7, -1, 1, 7, 42
Mathematics