Given that lines a and b are parallel, what angles formed on line a when cut by the transversal are congruent with 262
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21 and 22
21 and 24
22 and 23
22 and 24

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.