Q3 Jason has a collection of 120 baseball cards. He let his friend Justus get 1/4 of his collection and sells 1/5 to ebay. He took 20 to give to his little brother. How many more baseball cards remain in Jason's collection? Please Help​

1/3(x-10)=-4 solve for x with steps

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?

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?