Which pair of expressions are equivalent? A. 2y – 4 and 2y – 4 + 9 B. 14x – 7 and 7x – 14 C. 9y + 3 + 2 and 3(y + 1) + 2 D. x + y and x – y + 2y E. x + 2 y and x – y

Use circumcenter theorem to solve for the given values

Is (0,0) a to ? ys x2 - 4 y> 2x-1

Indicate the equation of the given line in standard form. the line containing the longer diagonal of a quadrilateral whose vertices are a (2, 2), b(-2, -2), c(1, -1), and d(6, 4).