Answer: I dont understand you question
Explanation:
Hey there,
<span>CUBA has the largest reserves of OIL and NATURAL GAS of any island in the Caribbean.
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They began to form by a combination of volcanic activity and the deposit of marine sediments. It formed along northwest Africa about 530 million years ago. ... As the Appalachian Mountains eroded, sand and clay were deposited over Florida's limestone layer.
The answer should be 3a-6+14 = 3a+8.