Answer:
x= 0, −2, 2+i√3, 2−i√3
Step-by-step explanation:
3(-4)(-7)x6
-12(-7)x6
84 x 6
504
Width = 2,848 km = 2,848,000 m
2,848,000 m * 100 = 284,800,000 cm
If Europe and North America are moving apart at 2 cm per year:
284,000,000 : 2 = 142,400,000 years
Answer: The North Atlantic Ocean began to form 142,400,000 years ago.