To determine what students at a school would be willing to do to address global warming, researchers take a random sample of 100 students. the students answer the questions, "how high of a tax would you be willing to add to gasoline (per gallon) in order to encourage drivers to drive less or to drive more fuel-efficient cars? " and, "do you believe (yes or no) that global warming is a serious issue that requires immediate action? " the researchers want to compare the mean response on gasoline taxes (the first question) for those who answer yes and for those who answer no to the second question. (a) identify the response variable and the explanatory variable. what is the response variable?

Two lines parallel to a third line are parallel to each other. always sometimes or never

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

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?