The quarterback for the Dallas Cowboys throws a pass and gains 11 yards on the first down but then loses 12 yards on the next down when he is sacked. How many yards has he gained or lost?
a. -23
b. -1
c. 1
d. 23

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?