The accompanying table gives the projected state subsidies (in millions of dollars) to the Massachusetts Bay Transit Authority (MBTA) over a 5-yr period. 
Find an equation of the least-squares line for these data. Use the result to estimate the state subsidy to the MBTA for the sixth year (x = 6) .
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Challenges
Difficulties or obstacles that require effort, skill, or strategy to overcome, and can foster growth, learning, or improvement.
Uniqueness Advantage
The competitive edge a company or individual gains from possessing distinct characteristics or capabilities not easily replicated by others.
Associated
Being connected or related to something.
Work-life Balance
The equilibrium achieved between the demands of one’s professional life and personal life.
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