Alocal boys club sold 176 bags of mulch and made a total of $520. it sold two types of mulch : hardwood for $3.50 a bag and pine bark for $2.75 a bag. how many bags of each kind of mulch did it sell?

Which is the graph of the function y=2(4)^x

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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?