Find the area of an equilateral triangle (regular 3-gon) with the given measurement 9-inch a=sq. in.

Point $(x, y)$ is randomly picked from the rectangular region with vertices at $(0,,,2010),$ and $(0,2010)$. what is the probability that $x > 7y$? express your answer as a common fraction.

Which value is not a solution of 8x^3 – 1 = 0

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2