Thomas's shifts vary in length. He works an 8-hour shift half of the time, a 10-hour shift a third of the time, and a 12-hour shift a sixth of the time. What percent of his workdays does Thomas work more than 8 hours? Explain.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

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.

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?