What is the slope of the line that passes through the points (6, – 5) and (6,-4)? Write your answer in simplest form.

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?

Having a hard time understanding this question (see attachment).

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?