Find the probability.A bag contains 19 balls numbered 1 through 19. What is the probability of selecting a ball that has an even number?
A. 9
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response.The function f(x) = 200 
describes the future value of a certain annuity. How many payments per year are there?
What will be an ideal response?
Mathematics
Find the first five terms of the sequence defined by the given general term.f(n) = 3n
A. 1, 8, 27, 64, 125 B. 3, 9, 27, 81, 243 C. 1, 3, 9, 27, 81 D. 9, 27, 81, 243, 729
Mathematics
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cos (cot-1 u)
A. 
B. 
C. 
D. 
Mathematics
Simplify the algebraic expression by rewriting the factor with a common base.If 8x = 3, what does 82x equal?
A. 8 B. 5 C. 6 D. 9
Mathematics