A cell phone company has a basic monthly plan of $30 plus $0.15 for any minutes used over 500. Before receiving his statement, John saw he was charged a total of $38.10 before taxes. Write and solve an equation to determine how many minutes he must have used during the month. Show and number the steps you took to solve the equation. Claim (What is the answer to the question presented?): Evidence

(Show your drawing and/or algorithms):

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?