Rowan baked 17 chocolate chip cookies and 9 sugar cookies for her class how many cookies does she have left

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

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)

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g