Marty has 16 pencils and 4 times as many erasers. how many more erasers than pencils does marty have?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.