When all n teams in a league play every other team twice, a total of N games are played, where Upper N equals n squared minus n. A soccer league has 6 teams and all teams play each other twice. How many games are played?

What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle

With this question! what is process of elimination? ? p.s. my brothers acc got banned so add his new one @ yamauchiyamyam17

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees