1. determine if the following situation is biased or unbiased: 500 students at a local high school are randomly chosen and asked what their favorite local restaurant is

Which expression is equivalent to the expression shown?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?