Another tournament has 2 leagues with 9 teams in each league. An equal number of teams will play on
each of the 3 days of the tournament. Each team will
play once. How many teams will play on each day?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

Which linear inequality is represented by the graph?