Factor by any method.15x10 + 18x5y4 + 20x5y4 + 24y8

A. (3x5 - 4y4)(5x5 - 6y4)
B. (3x5 + 4y4)(5x5 + 6y4)
C. (15x5 + 4y4)(x5 + 6y4)
D. (3x5 + 4y)(5x5 + 6y8)

Answer: B

Mathematics

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Solve the differential equation subject to the initial conditions.x  + 5y = x2; y = 12 when x = 2

A. y =  + 7x5
B. y =  + 
C. y =  - 
D. y =  + 

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Mathematics

Factor out the largest possible common factor.72x9y9 - 80x5y5 - 48x2y3

A. 8(9x9y9 - 10x5y5 - 6x2y3) B. 8x2y3(9x7y6 - 10x3y2 - 6) C. 8x2(9x7y9 - 10x3y5 - 6y3) D. -8x2y3(-9x7y6 - 10x3y2 + 6)

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Mathematics

Subtract.14 - (-9)

A. -23 B. 23 C. -5 D. 5

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Mathematics

Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 8y = 932x + 12y = 9

A. parallel B. perpendicular C. neither

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Mathematics