Line ab lies in the same plane as circle p, which has a radius of 6 mm. at how many points can ab intersect circle p if ap = 7 mm and bp = 3 mm? a. 2 b. 1 c. 0 d. there is not enough information to determine.

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.