Susan bought 12 colored pencils. Of these pencils, 1/2 were red, and 1/3 were green. How many more red pencils than green pencils did Susan buy

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Sum is 17 and their difference is 3

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?