Aleague of 16 teams is playing a "round-robin" style tournament, where each team plays every other team exactly once. how many games total need to be played?

There are 8 games played at the same time, and each team playes 15 round (plays every team but themselves. this means that the total amount of games is 8x15, which is 120 games

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*