Acube has a surface area of 200 square inches. which choice is closest to the length of an edge of the cube?

Which of the following of the following sets of side lengths could not form a triangle?

Which of the following graphs could represent a cubic function?

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?