The ratio of boys to girls at Louisiana Middle School is 3:5. There are currently 1,600 students enrolled. How many students at Louisiana Middle School are boys?

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

What is the missing constant term in the perfect square that starts with x^2 -20x

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288