In the graph, line ab is parallel to line cd. graph the image of the lines after a 90° counterclockwise rotation about the origin.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

An octagonal prism has jow many lateral faces?