I already named the parallelogram I need help solving for x

The value √10 and √15 are plotted on the number line

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?