hey guys I need this. it's due tomorrow. and please show step by step because I am willing to give

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. how many hours after the truck's departure will the two meet?

Do,h = (7, 9) (14, 18) the scale factor is

Solve the equation. 2x - 8(x+1)= 6(2x - 3)