The percent of adults who smoke, recorded every few years since 1967, suggests a negative linear association with no outliers. A line was fit to the data to model the relationship.
Which of these linear equations best describes the given model?
Choose 1
(Choice A)
A
y=-0.5x+40

(Choice B)
B
y=-x+40

(Choice C)
C
y=-2x+40

(Choice D)
D
y=-3x+40

Based on this equation, estimate what percent of adults smoked in 1997.
Round your answer to the nearest tenth of a percent.

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 best way to answer questions with a x expression in the question. for example 3x + 10x=?

Which expression converts 45 degree to radians