Brian has two cubes the first cube has a volume of 125cm3
The first cube has a volume of 125cm3
The second cube has a volume of 343cm3
What is the difference in the area of one face of the second cube and the area of one face of the first cube?

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.