Which best describes the relationship between the lines with equations -9x + 9y = 1 and 7x + 2y = 4? A. same line
B. perpendicular
C. neither perpendicular nor parallel
D. parallel

Use the distance formula to determine the distance that point q is from r on the hypotenusebased on a 2-3 ratio.i need asap !

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle