Pls help asap

1 answer:

4 0

The surface area of a box 50x28x20 is 5920in^2

You can use the formula for surface area of a rectangular box:
2(h × W) + 2(h × L) + 2(W × L)
and replace the values
2(20*28) + 2(20*50) + 2(28*50)
which gives you about 5920.

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Step-by-step explanation:

Given that f(x) = x² - x³

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