PLEASE HELP 10 POINTS + BRAINLIEST

A freight train averages 40 mi/h traveling to its destination with full cars and 50 mi/hr on the return trip with empty cars. What is the train’s average speed for the entire trip? Round to the nearest tenth.

Please show work

100 points, hi, i’m not sure how to get the equation from the graph and table.

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?

Solving algebraic equations 2m+3=11