What is 13/26 in simplest form and what is 2/18 in simplest form and what is 7/10 in simplest form and what is 6/30 in simplest form and what is 9/12 and what is 40/50 in simplest form and what is 12/14 in simplest form and what is 2/8 in simplest form and what is 18/36 in simplest form and what is 8/9 in simplest form

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?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Plzzz answer both questions and i will give you 100 points