Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.4x2y + 8xy - 252y

A. 4y(x - 7)(x + 9)
B. 4y(x + 7)(x - 9)
C. 4y(x + 7)(x + 9)
D. 4y(x - 7)(x - 9)


Answer: A

Mathematics

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A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number  such that for all x, 0 <  < ? ?  < ?.f(x) = -9x - 8, L = -44, x0 = 4, and ? = 0.01

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Write the Ionic Greek numeral as a Hindu-Arabic numeral using the table below.??

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A. 46.1° C B. 31.9° C C. 239.0° C D. 81.7° C

Mathematics

Solve the system by the substitution or the addition method.

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Mathematics