What's 2/3 written as a fraction with a denominator of 9?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39