Please help me thank you

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Is the point (0, 8) on the x-axis or y-axis? how do you know?

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.