Solve the problem.True or false, a system of linear equations containing more equations than variables is always inconsistent.
A. True
B. False
Answer: B
Mathematics
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Solve the problem.To get a C in history, Nandan must have a mean score of 73 on four tests. Scores on the first three tests were 67, 77, and 60. What is the lowest score that Nandan can get on the last test and still receive a C?
A. 69 B. 15 C. 68 D. 88
Mathematics
Use the quadratic formula or graphing methods to solve the inequality.6x2 - 27x + 6 ? 0
A. 
? 0.234 ? x ? 
? 4.266
B. x ? 
? 0.234 or x ? 
? 4.266
C. x ? 
? 0.234
D. x ? 
? 4.266
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e x + 5 = 3
A. {-2.92} B. {2.08} C. {-3.75} D. {-3.90}
Mathematics
Multiply.10 ? (-2) ? (-7)
A. -13 B. 1 C. -140 D. 140
Mathematics