Simplify.
5
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Completely factor the difference of two squares.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.Use the rule of 70 to estimate the years to double for an annual inflation rate of 6%.
A. 12 years B. 11 years C. 9 years D. 14 years
Mathematics
Identify where f is increasing or where f is decreasing, as indicated. Round your answer to two decimal places when appropriate.f(x) = 
; increasing
A. (-?, ?) B. [-3.00, 3.00] C. [3.00, ?) D. (-?, 3.00]
Mathematics
Find the exact value of the expression.sin-1 
A. 
B. 
C. 
D. 
Mathematics