will mark
factor.
x2−8x+16
(x−4)2
(x+8)2
(x−8)2
(x+4)2

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.