For a contest, dominique is stacking 3 super long pen lengthwise on top of each other. each pen is 2 feet long. if she succeed, how many inches tall will her stacks of pen be?

Which fraction below is equivalent to 10/12?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28