HELP Which kind of number is more common: even numbers or odd numbers? ? HELP

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.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

What is the absolute value of -100000000000000?