A volleyball team has 30 players: 12 freshman, 4 sophomores, 6 juniors, and 8 seniors. If two players are chosen to be captains for the next game, what is the probability that both players chosen are freshman?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?