Which of the following situations most likely results in a negative correlation when the data is displayed on a scatter plot?

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122