Use the Fundamental Counting Principle to solve the problem.There are 4 performers who are to present their acts at a variety show. How many different ways are there to schedule their appearances?
A. 4
B. 16
C. 24
D. 12
Answer: C
Mathematics
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Determine whether the function is a probability density function over the given interval.f(x) = 
A. No B. Yes
Mathematics
Evaluate 
What will be an ideal response?
Mathematics
Determine the most appropriate metric unit to go in the blank. Choose from km, m, cm, mm, L, mL, kg, g, and mg.The plank is 2.2 
long.
A. cm B. m C. kg D. L E. g
Mathematics
Solve the problem.Let p be the percentage of American households who have a DVD player at t years after 2000. A reasonable model is p = 4.85t + 37.2. In which years will less than 60% of people be unsatisfied with their job?
A. before 2020 B. before 2005 C. before 2012 D. after 1995
Mathematics