Factor completely.25x4 - 36y2
A. (25x2 + y)(y2 - 36y)
B. (5x2 + 6y)(5x2 - 6y)
C. (5x2 - 6y)2
D. (5x2 + 6y)2
Answer: B
Mathematics
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Factor the trigonometric expression.cot2? cos ? - 10 cot ? cos ? + 24 cos ?
A. (cot ? cos ? - 4)(cot ? - 6 cos ?) B. (cos ?)(cot ? - 24)(cot ? - 1) C. (cot ? cos ? + 4)(cot ? - 6 cos ?) D. (cos ?)(cot ? - 4)(cot ? - 6)
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What will be an ideal response?
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Solve using Cramer's rule.-4x - 5y - 5z = -49 8x + 5y - 5z = -7 4x - 9y - 4z = -47
A. (2, 1, 6) B. (3, 6, 3) C. (1, -3, -6) D. (1, 3, 6)
Mathematics