At 15 years old, the diameter of a tree is 3.75in. At 20 years old, the diameter of a tree is Sin. a. Write an equation to represent the age and diameter of this tree. Define your variables.
b. When the tree is 30 years old, what is its diameter?
c. How many years will it take for the tree to have a diameter of 25in?

Which function has the same domain as y=2x

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?

Percent increase and decrease. original number: 45 new number: 18