Explain intergers i have a problem solving questions on the subject

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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?