The question isn't complete and you might want to ask this in the math section.
But just to help you out, 3x means 3 times whatever "x" is.
The Calusa use shells to make various utensils, ornaments and decorations for their shrines, and tools.
1. The political ideals of freedom and equality and the theory of their institutional realization.
2. The articulation and promotion of toleration of religious diversity as a virtue to be respected in a well ordered society.
Answer: Incense Burner of Arabia
Explanation:
It mentions burning incense and different aromatics. The only option that would make slight sense would be the incense burner. Giraffes definitely don't burn incense, neither do porcelain (a type of material), astrolabes (a form of navigating the seas), and the wooden ceiling of the Ka'aba.