Does anyone on here watch attack on titan??

The triangles are similar. what is the value of x? x=

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.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)