The area, A, of a forest, in acres, is modeled by the 5 d equation A= 5000 where d is the number of 1 decades since the beginning of the year 1950. equation A= 5000( 5/4)^d where d is the number of What is the area of the forest in 1940? Show your work.​

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?