Factor the trinomial.15x2 - 14xy - 8y2

A. (3xy - 4)(5xy + 2)
B. (3x + 4y)(5x + 2y)
C. (3x - 4y)(5x + 2y)
D. (15x - 4y)(x + 2y)


Answer: C

Mathematics

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Evaluate the integral.

A. x2e2x - xe2x + C
B. x2e2x - xe2x + e2x + C
C. x2e2x - xe2x + e2x + C
D. x2e2x - xe2x + e2x + C

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Determine whether the triangles are congruent. If they are congruent, state why.

A. congruent; ASA B. congruent; AAS C. not congruent D. congruent; SAS

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Simplify.(-7)(-5) + 3

A. -20 B. 38 C. 32 D. -32

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Solve the problem.The weight of a liquid varies directly with its volume V. If the weight of the liquid in a cubical container  on a side is 128 g, find the weight of the liquid in a cubical container 3 cm on a side.

A. 15 g B. 27 g C. 54 g D. 6 g

Mathematics