Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.3x2 - 4x ? 7
A. 
B. (-?, -1) ? 
C. 
D. (-?, -1] ?
Answer: D
Mathematics
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9 is 25% of what number?
A. 12 B. 225 C. 2.25 D. 36
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Perform the operations. 
A. 0 B. Undefined C. 8 D. 1
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Find the sum or difference. Write the answer in standard form.(-3 + 4i) - 4
A. 7 - 4i B. -7 + 4i C. 1 + 4i D. 1 - 4i
Mathematics
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.x + 7y = 73x - 5y = -5
A. (0, 0) B. (1, 0) C. (1, 1) D. (0, 1)
Mathematics