I am in need of assistance-

What is the reflection image of (5,-3) across the line y = -x?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Do,h = (7, 9) (14, 18) the scale factor is