Angle j and angle k are supplementary. angle k is congruent to angle m. the measure of angle j is equal to 120°

nope

step-by-step explanation:

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

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step-by-step explanation: