Factor by grouping.10x2 + 8xy + 15xy + 12y2

A. (2x + 3y)(5x + 4y)
B. (10x + 3y)(x + 4y)
C. (2x - 3y)(5x + 4y)
D. (2x + 3)(5x + 4)


Answer: A

Mathematics

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A. Horizontal line passing through (0, 32) B. Circle of radius 16 and center (0, 16) C. Vertical line passing through (32, 0) D. Circle of radius 16 and center (16, 0)

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Evaluate the expression.-73

A. 21 B. -21 C. -343 D. 343

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Solve using the quadratic formula. Round any answers to two decimal places.x2 - 2x = 3

A. {-0.82, 14.67} B. {0.21, -14.67} C. {0.82, -14.67} D. {-0.21, 14.67}

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