Celina has 4 glass ornaments blue orange pink and purple how many ways can she hang them in a row so that the blue and pink ornament aren’t touching

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Joanie watched 1 out of three of a movie in the morning

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?