A ladder leans against the side of a house. The angle of elevation of the ladder is 75° when the bottom the ladder is 16 ft from the side of the house. Find the length of the ladder. Round your answer to the nearest tenth. 

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

What statement is true? 2x^2-9x+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?