David and Rio are solving the equation below. 6
10
+
2
100
David says the sum is
62
100
Rio says the sum is
8
100
Who is correct: David, Rio, both, or neither? Explain how you know.
Respond in the space provided.

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

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