The weights of bags of ready to eat salad are normally distributed with a mean of 300 grams and a standard deviation of 9 gram. what percent of the bags weigh less than 291 grams ? 1.) 34% 2.)13.5% 3.)16% 4.) 36.5%

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?