Evaluate the expression using the order of operations.(-8)2 + (-2)2 - 9
A. 59
B. 91
C. -59
D. -91
Answer: A
Mathematics
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Simplify.
A. 12 B. not a real number C. 6 D. -6
Mathematics
Solve the rational inequality and graph the solution set on a real number line. 
> 0
A. (0, ?)
B. (-2, 0]
C. (-?, -2] ? [0, ?)
D. (-?, -2) ? (0, ?)
Mathematics
Solve the equation on the interval 0 ? ? < 2?.cos ? - sin ? = 0
A. 
B. {
}
C. 
D. {
}
Mathematics
Perform the indicated operation.(4x9 + 2x6 - 2x2 + 12) - (2x9 - 9x4 + 11x2 - 5)
A. -2x9 + 2x6 + 9x4 - 13x2 + 17 B. 2x9 + 2x6 - 9x4 - 13x2 + 17 C. -2x9 + 2x6 - 9x4 - 13x2 + 17 D. 2x9 + 2x6 + 9x4 - 13x2 + 17
Mathematics