PLZ ANSWER WORTH 10 points ANswer correct and I will give brainiest! ( I keep my words)

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false