The function C(x) = -5x+625 represents the cost to produce x items, what is the least number of items that can be produced so that the average cost is no more than $20?

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.