Find the corrdinates of the missing endpoint if e is the midpoint of DF F(2’9) e(-1,6)

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

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Can someone me out here number 4 plz