If a is the average (arithmetic mean) of j and 9, z is the average of 2j and 15, and c is the average of 3j and 18, what is the
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Answer:
2
Step-by-step explanation:
To find the slope of the graphed line, you take two points. I have chosen (0, 4) and (8, 0)
The formula of a slope is (y value of second point value of first point) divided by (x value of second point
value of first point):
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The slope for a perpendicular line is 2.