What number has a value less than 14.7?​

If benito is selecting samples of five values from the table, which row will result in the greatest mean? row 1 row 2 row 3 row 4

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

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?