GRE
The number of points in S that are a distance of 2 units from the point (7, 5)
4
The number of points with equal distance from three lines
3
x
y
The standard deviation of all the numbers in Set A
The standard deviation of all the numbers in Set B
100!
$$(50!)^{2}$$
The remainder when n(n+1)(n+2) is divided by 6
1
$$x^{-2}$$
$$x^{2}$$
The ratio of the area of triangle ABD to the area of the triangle ABC
$$\frac{3}{4}$$
The perimeter of the triangle
15
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252本备考书籍