Mr yoshi has 75 papers .he graded 60 papers and he had a student teacher grade the rest. what percent of the papers did each person grade .plz
tell me what strategy to use u

Select the correct answer from each drop-down menu. a parabola is given by the equation y = x2 − 2x − 3. the directrix of the parabola is given by the equation . the focus of the parabola is .