Division by 0 is defined

What is the difference between the predicted value and the actual value

The square root of 9x plus 7 plus the square rot of 2x equall to 7

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?