The length equals 42 inches because you take 36+36 because there are two widths and that equals 72. Then take 156-72 which equals 84. Take 84 divided by two because there are two lengths and you get 42 inches!

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Answer:
IDK
Step-by-step explanation:
10 - 4 = 6ounces
6 × 0.65 = $3.90
3.90 + 1.25 = $5.15
it costs $5.15 to mail a package that weighs 10oz
[3(3)-4][2^2]
=20
The answer is 20.