He works for 8 hours and 20 minutes, he charges 350 dollars and hour. How much does he make?
2 answers:
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Answer:
<h2>(3 + i)(4 + 2i) = 10 + 10i</h2>Step-by-step explanation:
Use FOIL: (a + b)(c + d) = ac + ad + bc + bd
and i² = -1