If you're standing on the trail 220 feet from the bottom of the tree, you have to look up at a 60 degree angle to see the top . how tall is the tree

Pls! does anybody know a shortcut for answering these types of questions in the future?

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?

What is the slope of the line shown below?