Which set of ordered pairs represents a function? O {(7,4), (3,8),(-4,-4),(0,4)}
O {(-5,1),(3, -7), (2,-4), (2,7)}
O {(-8,0), (-5,6), (-8,1),(-6,5)}
O {(4,2),(4, -9),(-9,-6), (7,1)}

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

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?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?