A coach needs to choose 2 players from the soccer team to be captain and co-captain. If there are 20 players on the team, how many ways can
he assign the roles? (Hint: order matters because the coach is choosing a
captain to be the number 1 person on the team and co-captain to be the
number 2 person.)

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?