Question

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Answer 1

Degree of polynomial: basically you can look at the equation and whatever the highest exponent is (no matter what your variable is), that will be your degree.
\[5h^{4}-22h^{2}+9\]
your degree for this will be 4\[4c^{3}d^{2} +5cd^{5}+7c^{4}+13\]
your degree for this would be 5