How many different rectangular prisms can be formed with 18 cubes

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e