A horizontal line has a slope of 0. Remember the z in horizontal means zero. The slope of a vertical line is undefined.
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Answer:
15
Step-by-step explanation:
3/4 times 20 is equal to 15
Y=x-4
x=y+4
y=-3(y+4)
y=-3y-12
4y=-12
y=-3
x=1
the answer a is 6 and b is 2
