A parabola can be drawn given a focus of (8,−5) and a directrix of y=−3. What can be said about the parabola?

The 7th grade has collected $200 for a field trip that would cost $600. the teachers decided to ask $50 from additional students to cover the cost. how mny students must pay to cover the cost ? a 16studentsb 80studentsc 160studentsd 8students show work