Geometry will give brainliest answer. the equation of a circle is x^2 + y^2 - 12y + 20 = 0 what are the coordinates of the center and the length of the radius of the circle

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Ineed with math stuff it involves graphs

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq