The point (5,-2) is rotated 90° about the origin. Its image is
O (-2,5)
O (2,5)
O (-5,2)

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Can someone me with these two circle theorem questions asap?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?