Which expressions are equivalent to -56z + 28.
A. 1/2 *(-28z + 14
B. (-1.4z+0.7) *40
C. (14 -7z) *(-4)
D.(8z - 4) (-7)
E. -2(-28z-14)

There are 2 right answers. Plz help!

Which system of linear inequalities is represented by the graph?

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