A pilot flying at an altitude of 12,000 ft sights two airports directly in front of him. The angle of depression to one airport is 78, and the angle of depression to the second airport is 19'. What is the distance between the two airports? Round to the nearest foot.

y = i/2 xtnop + (3i/2 tnop+ 1)

step-by-step explanation:

the picture is the step by step explanation.

1/8 is left? add a bit more info plz

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb