Can someone help me PLS ToT Would truly appreciate it. Thank u!

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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?