Lee surveyed students at school about whether they buy lunch or bring lunch from home. The data she gathered is shown in the two-way table below. Source of Student Lunches Bring Lunch to School Buy Lunch in the Cafeteria Boys 12 18 Girls 20 30 According to the data in the table, what percentage of boys bring lunch to school? 15% 37.5% 40% 66.7% HURRRY PLEASE HEL

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?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

If you answer 2+2 you will get over 80 points