On friday night, john ate pizza for dinner and had 1/2 of the pizza left over. on saturday, he ate 1/3 of what was left. how much pizza did john eat on sunday?
simplify your answer and write it as a proper fraction or as a whole or mixed number.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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.