Solve the system of equations by Gaussian elimination.
A. {(2, 4, 1)}
B. {(1, 2, 4)}
C. {(2, 1, 4)}
D. ?
Answer: A
Mathematics
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Provide an appropriate response. If you have a rectangular area that is 520 square feet and one side of the rectangle is 26 feet, what is the other dimension?
A. 20 feet B. 26 feet C. 494 feet D. 546 feet
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Find the indicated sum.
A. 26 B. 42 C. 48 D. 36
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Simplify the radical expression. Assume all variables represent positive real numbers.
A. 7x2
B. 567x
C. 9x
D. 9
Mathematics
Solve.In 13 weeks, the value of Bob Treatman's day trading account decreased by $520. What was the average weekly change in the value of the account expressed as a signed number?
A. -$42 per week B. -$46 per week C. -$40 per week D. $38 per week
Mathematics