Write the indicated event in set notation.Three coins are flipped and more tails are obtained than heads.
A. {ttt, tth, tht, htt}
B. {tth, tht, htt}
C. {ttt}
D. {ttt, tth}
Answer: A
Mathematics
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A 25-question multiple-choice placement test offers four possible answers for every question, of which only one is the correct answer. After answering all the questions that she knows, the student guesses on the remaining twenty questions. What is the probability that she gets exactly five of these guessed questions correct?
What will be an ideal response?
Mathematics
Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.
A. 
B. 
C. 
D. 
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Give the equation of the horizontal asymptote, if any, of the function.h(x) = 
A. y = 0 B. y = 4 C. y = 9 D. no horizontal asymptotes
Mathematics
Convert.0.012 km = _____ mm
A. 12 B. 1200 C. 120,000 D. 12,000
Mathematics