Find all the numbers for which the rational expression is defined.
A. a ? 0
B. a ? 2
C. All real numbers.
D. a ? -2
Answer: B
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Provide an appropriate response.Suppose there are two candidates in a hypothetical U.S. Presidential election. Smith wins 53,647,684 popular votes and 259 electoral votes, while Furuya wins 53,984,510 popular votes and 276 electoral votes. State who wins the popular vote and who becomes President. (Assume that all votes were cast for either Smith or Furuya.)
A. Smith wins the popular vote, but Furuya becomes President. B. Smith wins the popular vote and becomes President. C. Furuya wins the popular vote, but Smith becomes President. D. Furuya wins the popular vote and becomes President.
Find the median of the list of data.58, 39, 222, 117, 282, 246, 241
A. 117 B. 172 C. 222 D. 241
Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 1, -1, -i D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Use a graphing utility to solve the system of linear equations and give the solution of the system.
A. 
x = 
, y = - 
, z = 9
B. 
x = 9, y = 5, z = 1
C. 
x = 1, y = 5, z = 9
D. 
x = 
, y = - 
, z = 9