In a huge chess tournament, 45 matches were played. find out how many people were involved if it is known that each participant played one game with every other participant in the tournament.

What is the prime factorization of 195

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false