Ethan bought 4 of pencils. After he gave 8 pencils to his friends, he had 40 pencils left over. How many pencils were in each package? Use the drop-down menus to solve the problem arithmetically algebraically

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?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)