Amotorboat traveling with the current went 80 miles in 4 hours. against the current, it took 5 hours to travel the same distance. find the rate of the motorboat in calm water.

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?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g