12 would be the only zero if you meant to write the equation as y=(x-12)(3-10)
1) y=-x+4, the slope is -1
2)y=-x+4, slope is -1
3) yes
4)It's the same line if the slopes and y-intercepts are the same, so the number of corresponding points are infinite.
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Answer:
the answer is 20
Step-by-step explanation:
180+180=360
80+70=150
180-150=20
