Transform product to sum formula and obtained expression write in terms of cosine only: 2sin 4x*cos x.

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?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

What is the ratio of the length of an object in yards to the length of the same object in miles?