The shanghai maglev train is one of the fastest trains in the world, traveling about 2144 miles in 8 hours. how many miles does it travel in one hour? the distance between columbus ohio and new york city is about 560 miles. how many hours would it take the train to travel between the cities

What’s -11-33k and factor each expression completely

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.