According to a government agency, there were 105,600 chefs/head cooks employed in the United States in 2010 and 322,600 food service managers. Those numbers were projected to decrease to 104,100 and 306,600 by 2020. Which job was facing the larger percent decrease? By how much

The system of equations graphed below has how many solutions? y = 2x + 2

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?