What are the coordinates of the center and length of the radius of the circle whose equation is x2 + 6x + y2 – 4y = 23?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.