Write the statement as an inequality.z is less than or equal to 8
A. z ? 8
B. z = 8
C. z < 8
D. z > 8
Answer: A
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Solve the problem.Arrow's Impossibility Theorem implies
A. that in every election, each of the voting methods must produce a different winner. B. that every voting method can potentially violate each one of the four fairness criteria. C. that in every election, no matter what voting method we use, at least one of the four fairness criteria will be violated. D. that it is impossible to have a voting method that satisfies all four of the fairness criteria. E. none of these
Solve.A plane flying with a tailwind flew at a speed of 420 mph, relative to the ground. When flying against the tailwind, it flew at a speed of 300 mph. Express these relationships as equations. Let x represent the speed of the plane in calm air and let y represent the speed of the wind.
A. x + y = 420 y = 300 B. x + y = 300 x - y = 420 C. x + y = 300 y = 420 D. x + y = 420 x - y = 300
Solve the problem.How many ways can a committee of 5 be selected from a club with 10 members?
A. 50 B. 252 C. 100,000 D. 30,240
Use Method I to simplify the complex rational expression.
A. (x - 4)(x + 3)
B. 
C. 
D. 