Suppose the population of a certain city is 3979 thousand. It is expected to decrease to 3274 thousand in 50 years. Find the percent decrease.

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?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?