GRE
In the xy -plane, the slope of the line containing the points (a, b) and (0, 2)
In the xy -plane, the slope of the line containing the points (a, b) and (2, 0)
The average of the 4 integers q+10, r, s and t
The average of the 5 integers q, r, s, t, and 10
$$t$$
$$38$$
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