A model train layout has an inner track and an outer track. Train A can travel ſ of the way around the outer track in 30 seconds. Train B can travel of the way around the inner track in 30 seconds. If the
trains go for 12 minutes each, how many more complete circuits of its track will Train A complete than
Train B?

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?

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.