Find the coordinates of the centroid of a triangle whose vertices are A(-1,2), B(5,6), and C(5,-2). Make sure to enter your answer as a coordinate with parenthesis.

What is the smallest integer n such that n\sqrt{2} is greater than 20

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)