Ms. Callahan had 250 sheets of paper. She used 6 sheets of paper. She then gave each student 3 sheets
of paper.
Which expression represents the number of sheets of
paper Ms. Callahan had left after she gave paper
to n students?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )