Someone please help me with this Algebra 2 assignment. I'm really lost. Im giving 20 points for those who can help me, thank you very much <3

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Need on this geometry question. explain how you did it.