An automobile DVD system sells to stores at a wholesale price of $487. A popular national chain store sells them for $879.99. What is the markup?

How do you summarize data in a two-way frequency table?

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122