angel falls in venezuela is the tallest waterfall in the world ester falls uninterrupted for 2421 feet before entering the river below. the height h above the river in feet of water

ur mom

step-by-step explanation:

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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