Ineed on 9. just tell me the answer.

Determine the relationship of ab and cd given the following points

∆red ≅ ∆ by rule will give brainiest if possible

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.