GRE
The percent decrease in the population of County J during the 2-year period
10%
$$5^{-|x|}$$
1
The range of the numbers in K
42
The remainder when 7k+4 is divided by 3
The standard deviation of the numbers in list A
The standard deviation of the numbers in list B
The range of the numbers in R
x+y
The median of the first k even positive integers
The median of the first 2k+1 positive integers
The sum of the areas of the three shaded regions
4π
The least possible number of the nine integers that can be even
2
The price of one share of the stock at the end of September last year
0.9x dollars
25000 +道题目
199本备考书籍