Help with algebra 1 equation pls help

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.

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?