Answer:
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Explanation:</h2>
We know that the slope of a line is given by:

<h2>Learn more:</h2>
Proportional relationships lines, rates of change, and slope:
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She has run 21 miles already. Let t be the number of additional miles added on.
In total, she has run t+21 miles
This is going to be set greater than 38 since "Ann will run more than 38 miles"
So we have this inequality
t+21 > 38
we solve for t by subtracting 21 from both sides
t+21 > 38
t+21-21 > 38-21
t+0 > 17
t > 17
The final answer is t > 17
which means that the possible additional number of miles she could run is anything larger than 17. So t = 18 is one possibility.
Y+4= -4(x-3)
y+4=-4x+12
4x+y=8
The right answer is -8/3
please see the attached picture for full solution
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