Compare and contrast the absoulte value of a real number to that of a complex number

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

X+y=-4 x-y=2 use elimination with adding and subtraction

What is the interquartile range of this day at set?