Which expression(s) have a greatest common factor (GCF) of 3xy^2 with 42xy^4? Select all that apply.

A. 6x^2y^2

B. 15xy^2z

C. 27x^3y^2

D. 9xy^3

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step-by-step explanation:

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

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