Emma has 18 yellow flowers and 30 white flowers. she wants to split them into vases in equal groups. what is the largest number of the group she can make?

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)