WHAT IS THE AREA OF THIS TRIANGLE IM TAKING A QUIZ

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

What is the point slope form of a line with slope -5 that contains point (2,-1)

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?