Find an equation of variation for the given situation.y varies directly as x and inversely as z , and y = 6 when x = 9 and 
A. y = 
B. y = 6xz
C. y = 8xz
D. y = 
Answer: D
Mathematics
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Solve the problem.In the weighted voting system 
, the total number of possible sequential coalitions involving all five players is
A. 120. B. 24. C. 16. D. 720. E. none of these
Mathematics
Graph the equation. f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Write the decimal as a fraction or mixed number. Simplify, if possible.54.301
A. 
B. 
C. 54
D. 10
Mathematics
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics