GRE
The percent of polygons that are neither hexagons nor regular polygons
16%
The percentage of female employees who also have college degrees among all employees
$$\frac{1}{6}$$
$$a_{98}$$
300
The number of bacteria in culture A at 2:00 that afternoon
The number of bacteria in culture B at 2:00 that afternoon
$$r_{5}$$
$$625*r_{10}$$
$$a_{7}$$
-12
25000 +道题目
200本备考书籍