What are the common factors of 18 and 32

Two lines that do not intersect are skew. always sometimes or never

What does independent variable and dependent variable mean in math?

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.