Which expression is equivalent to 7.2 x 7.2 x 7.2 ?

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.

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points