Answer:
Slope is simply the gradient of a line.
Step-by-step explanation:
y2 - y1
m = -------------- is the formula to find the slope.
x2 - x1
Answer:
6, 8
7, 9
1, 4
they are congruent (same angle measure)
To find this out, subtract the tip from the total:
$128 - $86= $42
Then divide the 42 by 6:
42 / 6 = 7
So the waiter earns $7 per hour.
Hope this helps!
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