GRE
$$x+y$$
$$0$$
The percent increase from 2003 to 2004
16%
The standard deviation of the numbers in list A
The standard deviation of the numbers in list B
The distance between P and Q
The distance between Q and R
$$x^{2}$$+$$y^{2}$$
$$4r^{2}$$
The remainder when $$n$$ is divided by $$31$$
$$16$$
$$x^{2}$$
9
25000 +道题目
257本备考书籍