Solve the problem. 3xy = z2 x - y + z = 3x2 + y2 - 2z2 = -72
A. {(3, 9, 9), (-3, -9, 9)}
B. {(3, 9, 9), (9, 3, 9)}
C. {(-3, -9, 9), (9, 3, 9)}
D. {(3, 9, 9), (-9, -3, 9)}
Answer: D
Mathematics
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A. 3x2 + 3x - 3 B. -3x2 + 3x + 3 C. 3x2 - 3x - 9 D. 3x2 - 5x - 3
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Rationalize the equation, then use it to solve the problem.The time T in seconds required for a pendulum of length L feet to make one swing is given by 
How long is a pendulum (to nearest hundredth of a foot) if it makes one swing in 3 seconds? Use 3.14 for ?.
What will be an ideal response?
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Add.6.117 + 16.86
A. 22.950 B. 22.977 C. 22.203 D. 23.130
Mathematics
Find the product of the complex number and its conjugate.6 + i
A. 27 B. 33 C. 39 D. 45
Mathematics