What process does no occur in animal cells

This is so hard and it’s for a test

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?

If chord ab is congruent to chord cd, then what must be true about ef and eg?