It's hard to read your picture
But if your equation is
(-3)^2 + (-2)^3
then its:
-3*-3 + -2*-2*-2 = -9 - 8 = -17
Earlier snow depth = 2 feet
later snow depth = 1.6 feet
change
2 - 1.6
0.4 feet
percentage change
(0.4 / 2) * 100
20 %
435 being the constant means that is what they started with
Hope this helps :)
For question 1, just plug in -2 as <em>h.
</em>

<em>
</em>You would get...

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</em>Hope this helped! <em>-4, or option 1, is correct!</em><em>
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