a carpenter has 16 1/2 m of wood. he cuts the wood into pieces that are each 2 3/4 m long. !

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

What is x3+3x2−16x−48 divided by x−1?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.