The table below is a record of the number of miles driven between stops for gas and the amount of money spent to fill up the gas tank in Hannah's car over several months.

Miles Driven,x	335	342	334	327	271	323	346
Cost to Fill up ($$),y	27.28	27.93	27.43	26.32	22.90	27.58	28.45

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Step 1 of 2:

Find an equation of the least-squares regression line. Round your answer to three decimal places, if necessary.