GRE
The slope of line $$l$$
The slope of line $$m$$
The number of points in plane P whose distance from line l is 2 and whose distance from point Q is 3
4
The distance between point (5, 5) and the origin
The distance between point (4, 6) and the origin
b-a
5
a
$$\frac{k+z}{2}$$
y
3
w+d
c+z
x+z
a+b
90°
AB
CD
x+y
90
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