11. a tournament has 12 hockey teams participating. find the number of different ways that teams can win gold, silver, and bronze trophies.

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?