Which equation does the graph of the systems of equations solve?

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?