Derek took out a loan to buy a used car that cost 6 thousand dollars. The total cost of the car was twice the amount of his down payment. How much was Derek’s down payment? 3 thousand dollars
4 thousand dollars
8 thousand dollars
12 thousand dollars

Plz heeeeeeelp plz give me the answer

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)?

What is the distance between (3,k+1) and (2k,k-1)