Given the equation of a circle, x^2 + y^2 - 6z + 2y + 1 = 0, find the coordinates of the center and the length of the radius. Coordinates for the center:( , )
Length of the radius = units

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Line wx is parallel to line yz. if m