A survey of 30 students each from three different high schools was conducted to find the number of hours they spent every month on volunteer work. Based on the median values of the data sets, represented here as dot plots, which conclusions are true? The students in school 2 generally spend more time doing volunteer work than the students in school 1.
The students in school 1 generally spend more time doing volunteer work than the students in school 2.
The students in school 1 generally spend more time doing volunteer work than the students in school 3.
The students in school 1 generally spend less time doing volunteer work than the students in school 3.
The students in school 3 generally spend more time doing volunteer work than the students in school 2.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Which of the following can be used to explain a statement in a geometric proof?