Can someone check if this is correct 9th grade math algebra 1

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)

Write as a product: ac^2–ad+c^3–cd–bc^2+bd