Factor the polynomial by substitution.10y4 - 19y2 - 15

A. (2y2 + 1)(5y2 - 15)
B. (10y2 - 5)(y2 + 3)
C. (5y - 3)(2y + 5)
D. (2y2 - 5)(5y2 + 3)

Answer: D

Mathematics

Find the quotient.

A. 0 B. 3 C. 1 D. undefined

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Mathematics

Perform the indicated operation.57.2 mm - 2.26 cm (in centimeters)

A. 34.6 cm B. 54.94 cm C. 569.74 cm D. 3.46 cm

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Mathematics

Combine like terms.-4x9 + 7x7y - 15x9 - - 13x7y + 7x9

A. -18x⁹-
B. -18x⁹ - 18x⁷y -
C. -12x⁹ - 6x⁷y -
D. -12x⁹ + 7x⁷y -

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Mathematics

Find the center and radius of the circle with the given equation. x2 + (y - 10)2 = 25

A. (0, 10); r = 5 B. (0, 10); r = 25 C. (10, 0); r = 5 D. (10, 0); r = 25

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Mathematics