Umm I’m confuses plz help so I can play the game

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

See attachment below and find the equivalent of tan(∠qsr)