Barack walks 2 kilometers south and then x kilometers east. He ends 5 kilometers away from his starting position. Find x rounded to the nearest tenth of a kilometer.

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

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)