GRE
$$\frac{1}{x}$$
$$\frac{1}{y}$$
a+1
$$\frac{1}{a}$$ - 1
|1-x|
1
The number of positive even integers less than 100, each of which is the square of an integer
The number of positive odd integers less than 100, each of which is the square of an integer
The number of points with equal distance from three lines
3
The perimeter of the triangle
15
The sum of any two interior angles in Δ ABC
The sum of any two interior angles in Δ PQR
a
b
x
90
n
29
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