Acircle is inside a square. the radius of the circle is increasing at a rate of 4 meters per day and the sides of the square are increasing at a rate of 3 meters per day. when the radius is 3 meters, and the sides are 20 meters, then how fast is the area outside the circle but inside the square changing?

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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?