Determina la ecuación de la circunferencia con centro C(1,-2) y tiene un r=5u

Is this a polynomial function? i need to know asap

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)