GRE
The area of isosceles triangle A
The area of isosceles triangle B
The remainder when N is divided by 3
The remainder when N is divided by 17
$$|a-b|$$
$$3$$
$$x$$
$$90$$
$$p(1-p)$$
$$0.4$$
$$\frac{1}{x}$$
$$-3$$
($$\sqrt{x}$$)($$\sqrt{y}$$)
$$\sqrt{x+y}$$
The number of diagonals of the octagon that are parallel to at least one side of the octagon
The number of diagonals of the octagon that are not parallel to any side of the octagon
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