What is the volume, in cubic feet, of a rectangular prism with a height of 9 feet, a width of 13 feet, and a length of 4 feet?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)