15. From the following data, calculate the coefficie
104
8
Y
9
11
?
87
It being given that the arithmetic mean of Y is 8.

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

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?