Ges to prove that if a, b, and c are integers, where a ≠ 0 and c ≠ 0, such that ac | bc, then a | b.

Me find the measure to side c and the process to solve the problem you appreciate it : )

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

What is the distance between point a and b