help plz and answer fast this is due in 35 mins reee (no links, or will be reported by 10 accs. no random things for points or will be reported by 10 accs) WILL GIVE BRAIN!

Asquare parking lot has 6,400 square meters what is the length in meters

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

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.