Hey again I need some help I would really appreciate it

You can find the constant of proportionality by finding the ratio of

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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?