The figure shown is to be painted on a road sign. which of the following best
describes the two polygons that form the figure?

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

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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

i dont understand

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