When a 757 passenger jet begins its descent to the Ronald Reagan National Airport in Washington, D. C., it is 3900 feet from the ground. Its angle of descent is 6º.What is the plane’s ground distance to the airport?

answer: idk

step-by-step explanation:

answer: 5

step-by-step explanation:

answerim :

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step-by-step explanation:

im not sure but my dad knows

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb