Amy drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 10 hours. When Amy drove home, there was no traffic and the trip only took 17 hours. If her average rate was 18 miles per hour faster on the trip home, how far away does Amy live from the mountains?

What is the least common multiple of 6 and 17?

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Solve 3x-18=2y and 5x-6y=6 by elimination show work